323351452520 has 16 divisors (see below), whose sum is σ = 727540768260. Its totient is φ = 129340580992.

The previous prime is 323351452493. The next prime is 323351452537. The reversal of 323351452520 is 25254153323.

It can be written as a sum of positive squares in 2 ways, for example, as 276808567876 + 46542884644 = 526126^2 + 215738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041893117 + ... + 4041893196.

Almost surely, 2^323351452520 is an apocalyptic number.

It is an amenable number.

323351452520 is an abundant number, since it is smaller than the sum of its proper divisors (404189315740).

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

323351452520 is a wasteful number, since it uses less digits than its factorization.

323351452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083786324 (or 8083786320 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 323351452520 in words is "three hundred twenty-three billion, three hundred fifty-one million, four hundred fifty-two thousand, five hundred twenty".