The number 4523 is written in Roman numerals like this: IVDXXIII
IVDXXIII = 4523
Above 3,999, a line over a numeral multiplies its value by 1,000.
4523 is written with IV under a line (4 × 1,000 = 4,000), followed by DXXIII (523).
4522 in Roman numerals: IVDXXII
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