23 (number)
23 (twenty-three) is the natural number following 22 and preceding 24.
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| Cardinal | twenty-three | |||
| Ordinal | 23rd (twenty-third) | |||
| Numeral system | trivigesimal | |||
| Factorization | prime | |||
| Prime | 9th | |||
| Divisors | 1, 23 | |||
| Greek numeral | ΚΓ´ | |||
| Roman numeral | XXIII | |||
| Binary | 101112 | |||
| Ternary | 2123 | |||
| Senary | 356 | |||
| Octal | 278 | |||
| Duodecimal | 1B12 | |||
| Hexadecimal | 1716 | |||
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