How Do you Pronounce twenty one billion million thousand one hundred twenty three in english ?

twenty one billion million thousand one hundred twenty three Pronunciation in english(IPA) :

ˈtwɛnti wʌn ˈbɪljən ˈmɪljən ˈθaʊz(ə)nd wʌn ˈhʌndrəd ˈtwɛnti θriː