320233331432 has 64 divisors (see below), whose sum is σ = 688087872000. Its totient is φ = 136868497920.

The previous prime is 320233331417. The next prime is 320233331441. The reversal of 320233331432 is 234133332023.

It is a junction number, because it is equal to n+sod(n) for n = 320233331395 and 320233331404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89423882 + ... + 89427462.

It is an arithmetic number, because the mean of its divisors is an integer number (10751373000).

Almost surely, 2^320233331432 is an apocalyptic number.

It is an amenable number.

320233331432 is an abundant number, since it is smaller than the sum of its proper divisors (367854540568).

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

320233331432 is a wasteful number, since it uses less digits than its factorization.

320233331432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506 (or 7502 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 320233331432 its reverse (234133332023), we get a palindrome (554366663455).

The spelling of 320233331432 in words is "three hundred twenty billion, two hundred thirty-three million, three hundred thirty-one thousand, four hundred thirty-two".