323211012320 has 96 divisors (see below), whose sum is σ = 885694860288. Its totient is φ = 109161220608.

The previous prime is 323211012317. The next prime is 323211012331. The reversal of 323211012320 is 23210112323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323211012292 and 323211012301.

It is a congruent number.

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, 2078552 + ... + 2228631.

It is an arithmetic number, because the mean of its divisors is an integer number (9225988128).

Almost surely, 2^323211012320 is an apocalyptic number.

It is an amenable number.

323211012320 is an abundant number, since it is smaller than the sum of its proper divisors (562483847968).

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

323211012320 is a wasteful number, since it uses less digits than its factorization.

323211012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307272 (or 4307264 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323211012320 its reverse (23210112323), we get a palindrome (346421124643).

The spelling of 323211012320 in words is "three hundred twenty-three billion, two hundred eleven million, twelve thousand, three hundred twenty".