Names of 23
| Nominal | 23 |
| Cardinal | twenty-three |
| Ordinal | 23rd |
| This number as US currency | twenty-three dollars |
| Is 23 an odd number? | 23 is an odd number |
| Is 23 an even number? | 23 is NOT an even number |
| Is 23 a palindrome? | 23 is NOT a palindrome number |
| Is 23 a triangle number? | 23 is NOT a triangle number |
23 in other Bases
| Base 2 (Binary) | 101112 |
| Base 3 (Ternary) | 2123 |
| Base 4 (Quaternary) | 1134 |
| Base 5 (Quinary) | 435 |
| Base 6 (Senary) | 356 |
| Base 8 (Octal) | 278 |
| Base 12 (Duodecimal) | 1B12 |
| Base 16 (Hexadecimal) | 1716 |
| Base 20 (Vigesimal) | 1320 |
Primes and Factors tests for 23
| Is 23 a Prime Number? | 23 is a prime |
| Is 23 a perfect number? | 23 is NOT a perfect number |
| Is 23 a Mersenne Prime? | 23 is NOT a Mersenne prime |
| Is 23 a Fermat Prime? | 23 is NOT a Fermat prime |
| Is 23 a Fibonacci Prime? | 23 is NOT a Fibonacci prime |
| Is 23 a Partition Prime? | 23 is NOT a Partition prime |
| Is 23 a Pell Prime? | 23 is NOT a Pell prime |
| Prime Factors | Prime factors of 23 |
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23 in other Numerals
| 23 in Roman Numeral | XXIII |
| 23 in Chinese Numeral | 貳拾叄 |
| 23 in Egyptian Numeral | 𓎇𓏼 |
| 23 in Babylonian Numeral |  |
Roots and stuff for 23
| Is 23 a square number? | 23 is NOT a square number |
| Is 23 a cube number? | 23 is NOT a cube number |
| Square root of the number 23 | 4.7958315233127 |
| Cube root of the number 23 | 2.8438669798516 |
Recreational math for 23
| Number 23 reversed | 32 |
| Sum of the digits | 5 |
| No of digits | 2 |