第二十三的英文怎么写

　　Is held in Suzhou, the twenty-third World Heritage Conference.

　　就是在苏州举行了第二十三届世界遗产大会。

　　Our Company is having a Drilling Technical Competition on the afternoon of the twenty-third.

　　我们公司在23日下午举行钻井技术比赛。

　　I'd like to book a room, please, for the twenty-third of december.

　　我需要订一间房，日期是十二月二十三日。

　　After having lunch, I learned the twenty-third episode of Friends.

　　吃过午饭之后，我学习了《老友记》第二十三集。

　　And, er, what time will you be arriving on the twenty-third?

　　还有，哦，您二十三日什么时候到？