143423213221232 has 40 divisors (see below), whose sum is σ = 331387797014016. Its totient is φ = 58794609145536.

The previous prime is 143423213221207. The next prime is 143423213221243. The reversal of 143423213221232 is 232122312324341.

It is a junction number, because it is equal to n+sod(n) for n = 143423213221192 and 143423213221201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27838354028 + ... + 27838359179.

Almost surely, 2^{143423213221232} is an apocalyptic number.

It is an amenable number.

143423213221232 is an abundant number, since it is smaller than the sum of its proper divisors (187964583792784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143423213221232 is a wasteful number, since it uses less digits than its factorization.

143423213221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55676713245 (or 55676713239 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 143423213221232 its reverse (232122312324341), we get a palindrome (375545525545573).

The spelling of 143423213221232 in words is "one hundred forty-three trillion, four hundred twenty-three billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred thirty-two".