312516646023 has 32 divisors (see below), whose sum is σ = 450598982400. Its totient is φ = 191929227776.

The previous prime is 312516646007. The next prime is 312516646073. The reversal of 312516646023 is 320646615213.

It is a cyclic number.

It is not a de Polignac number, because 312516646023 - 2⁴ = 312516646007 is a prime.

It is a super-4 number, since 4×312516646023⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312516646073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994588 + ... + 1270526.

It is an arithmetic number, because the mean of its divisors is an integer number (14081218200).

Almost surely, 2^312516646023 is an apocalyptic number.

312516646023 is a deficient number, since it is larger than the sum of its proper divisors (138082336377).

312516646023 is a wasteful number, since it uses less digits than its factorization.

312516646023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276431.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 312516646023 in words is "three hundred twelve billion, five hundred sixteen million, six hundred forty-six thousand, twenty-three".