323211328 has 42 divisors (see below), whose sum is σ = 704996558. Its totient is φ = 146910720.

The previous prime is 323211313. The next prime is 323211373. The reversal of 323211328 is 823112323.

It can be written as a sum of positive squares in only one way, i.e., 322274304 + 937024 = 17952^2 + 968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13125 + ... + 28612.

Almost surely, 2^323211328 is an apocalyptic number.

It is an amenable number.

323211328 is an abundant number, since it is smaller than the sum of its proper divisors (381785230).

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

323211328 is a wasteful number, since it uses less digits than its factorization.

323211328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41771 (or 41750 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 323211328 is about 17978.0790964997. The cubic root of 323211328 is about 686.2708062787.

The spelling of 323211328 in words is "three hundred twenty-three million, two hundred eleven thousand, three hundred twenty-eight".