How do you write out the number 23 in words? It depends on the kind of number (e.g., it could be used as a cardinal or ordinal number). But commonly, 23 is spelt out like this: 23 in words = twenty-three

23 in words is written as Twenty Three.

23 in words = twenty-three

In English, the spelling of 23 in words is Twenty-three, so we can write 23 in words as Twenty-three.

The number 23 is written as twenty-three.