323904403876 has 81 divisors (see below), whose sum is σ = 636218720067. Its totient is φ = 144239293440.

The previous prime is 323904403873. The next prime is 323904403883. The reversal of 323904403876 is 678304409323.

It is a happy number.

The square root of 323904403876 is 569126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1080436900 + 322823966976 = 32870^2 + 568176^2 .

It is not an unprimeable number, because it can be changed into a prime (323904403871) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 367654956 + ... + 367655836.

Almost surely, 2^323904403876 is an apocalyptic number.

323904403876 is the 569126-th square number.

It is an amenable number.

323904403876 is a deficient number, since it is larger than the sum of its proper divisors (312314316191).

323904403876 is an equidigital number, since it uses as much as digits as its factorization.

323904403876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

Multiplying 323904403876 by its sum of digits (49), we get a square (15871315789924 = 3983882²).

The spelling of 323904403876 in words is "three hundred twenty-three billion, nine hundred four million, four hundred three thousand, eight hundred seventy-six".