323312985 has 64 divisors (see below), whose sum is σ = 594604800. Its totient is φ = 166593024.

The previous prime is 323312959. The next prime is 323312999. The reversal of 323312985 is 589213323.

323312985 is a `hidden beast` number, since 32 + 331 + 298 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-323312985 is a prime.

It is a super-2 number, since 2×323312985² = 209062572539220450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 522006 + ... + 522624.

It is an arithmetic number, because the mean of its divisors is an integer number (9290700).

Almost surely, 2^323312985 is an apocalyptic number.

It is an amenable number.

323312985 is a deficient number, since it is larger than the sum of its proper divisors (271291815).

323312985 is a wasteful number, since it uses less digits than its factorization.

323312985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 753 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 323312985 is about 17980.9061228849. The cubic root of 323312985 is about 686.3427477738.

The spelling of 323312985 in words is "three hundred twenty-three million, three hundred twelve thousand, nine hundred eighty-five".