("Twenty five" and "twenty three" should be hyphenated.) Read more about hyphens and dashes between numbers.

Does the word Twenty three have a hyphen?

You should always hyphenate numbers when you are describing compound numbers between 21 and 99 (except 30, 40, 50, 60, 70, 80 and 90). A compound number is any number that consists of two words; for example, eighty-eight, twenty-two, forty-nine. Numbers higher than 99 do not need a hyphen.

Do you put a hyphen in twenty five?

Compound Numbers (21–99)

Always hyphenate the numbers 21 to 99 when writing them out as words: I have twenty-one pairs of novelty socks. My grandma is sixty-seven years old. I have ninety-nine problems, but none involve a female dog.