624379923 has 12 divisors (see below), whose sum is σ = 910639600. Its totient is φ = 412211376.

The previous prime is 624379907. The next prime is 624379933. The reversal of 624379923 is 329973426.

It is not a de Polignac number, because 624379923 - 2⁴ = 624379907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624379933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335848 + ... + 337701.

Almost surely, 2^624379923 is an apocalyptic number.

624379923 is a deficient number, since it is larger than the sum of its proper divisors (286259677).

624379923 is a wasteful number, since it uses less digits than its factorization.

624379923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673658 (or 673655 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 624379923 is about 24987.5953825093. The cubic root of 624379923 is about 854.7051286441.

The spelling of 624379923 in words is "six hundred twenty-four million, three hundred seventy-nine thousand, nine hundred twenty-three".