623568339 has 12 divisors (see below), whose sum is σ = 902251896. Its totient is φ = 415000512.

The previous prime is 623568307. The next prime is 623568359. The reversal of 623568339 is 933865326.

It is not a de Polignac number, because 623568339 - 2⁵ = 623568307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623568294 and 623568303.

It is not an unprimeable number, because it can be changed into a prime (623568359) 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, 53734 + ... + 64299.

It is an arithmetic number, because the mean of its divisors is an integer number (75187658).

Almost surely, 2^623568339 is an apocalyptic number.

623568339 is a deficient number, since it is larger than the sum of its proper divisors (278683557).

623568339 is a wasteful number, since it uses less digits than its factorization.

623568339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118626 (or 118623 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 623568339 is about 24971.3503639671. The cubic root of 623568339 is about 854.3346460014.

The spelling of 623568339 in words is "six hundred twenty-three million, five hundred sixty-eight thousand, three hundred thirty-nine".