2.3 million yuan. The Chinese numbers are "one, two, three, four, five, six, seven, eight, nine, ten thousand, ten thousand, one hundred million, yuan (circle), angle, minute, zero, even (positive)", and the capital of 2.3 million is 2.3 million yuan. Capitalization refers to a way of writing Latin letters (including pinyin letters and English letters), which is used when the first letter, proper name or all letters of a sentence are capitalized. It also refers to a complicated writing of Chinese characters and numbers, which is mostly used in accounts and documents.