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what is the least roman numeral between 1 and 50 with five symbols or letters
The least roman numeral between 1 and 50 with five symbols or letters is number 18.
What is the following roman numeral number after 18 with 5 symbols
The following roman numeral number after 18 with 5 symbols is number 23.

Question: How many symbols in the number following
Self-contained rewrite: How many symbols in the number following the roman numeral number 23