312564723 has 16 divisors (see below), whose sum is σ = 432384000. Its totient is φ = 200629440.

The previous prime is 312564719. The next prime is 312564739. The reversal of 312564723 is 327465213.

It is not a de Polignac number, because 312564723 - 2² = 312564719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312564743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10063 + ... + 26951.

It is an arithmetic number, because the mean of its divisors is an integer number (27024000).

Almost surely, 2^312564723 is an apocalyptic number.

312564723 is a deficient number, since it is larger than the sum of its proper divisors (119819277).

312564723 is a wasteful number, since it uses less digits than its factorization.

312564723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17122.

The product of its digits is 30240, while the sum is 33.

The square root of 312564723 is about 17679.5000777737. The cubic root of 312564723 is about 678.6512503151.

The spelling of 312564723 in words is "three hundred twelve million, five hundred sixty-four thousand, seven hundred twenty-three".