624130623 has 8 divisors (see below), whose sum is σ = 924638000. Its totient is φ = 416087064.

The previous prime is 624130613. The next prime is 624130627. The reversal of 624130623 is 326031426.

624130623 is a `hidden beast` number, since 6 + 2 + 4 + 1 + 30 + 623 = 666.

It is not a de Polignac number, because 624130623 - 2²⁸ = 355695167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 23115949 = 624130623 / (6 + 2 + 4 + 1 + 3 + 0 + 6 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624130627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11557948 + ... + 11558001.

It is an arithmetic number, because the mean of its divisors is an integer number (115579750).

Almost surely, 2^624130623 is an apocalyptic number.

624130623 is a deficient number, since it is larger than the sum of its proper divisors (300507377).

624130623 is a wasteful number, since it uses less digits than its factorization.

624130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115958 (or 23115952 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 624130623 is about 24982.6064092600. The cubic root of 624130623 is about 854.5913590486.

It can be divided in two parts, 6241 and 30623, that added together give a square (36864 = 192²).

The spelling of 624130623 in words is "six hundred twenty-four million, one hundred thirty thousand, six hundred twenty-three".