623164975 has 12 divisors (see below), whose sum is σ = 773247384. Its totient is φ = 498194720.

The previous prime is 623164973. The next prime is 623164981. The reversal of 623164975 is 579461326.

It is not a de Polignac number, because 623164975 - 2¹ = 623164973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623164973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33312 + ... + 48538.

It is an arithmetic number, because the mean of its divisors is an integer number (64437282).

Almost surely, 2^623164975 is an apocalyptic number.

623164975 is a deficient number, since it is larger than the sum of its proper divisors (150082409).

623164975 is a wasteful number, since it uses less digits than its factorization.

623164975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874 (or 16869 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 623164975 is about 24963.2725218470. The cubic root of 623164975 is about 854.1503934503.

The spelling of 623164975 in words is "six hundred twenty-three million, one hundred sixty-four thousand, nine hundred seventy-five".