123889624 has 16 divisors (see below), whose sum is σ = 240303600. Its totient is φ = 59808672.

The previous prime is 123889621. The next prime is 123889631. The reversal of 123889624 is 426988321.

It is a super-2 number, since 2×123889624² = 30697277869722752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123889621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266772 + ... + 267235.

It is an arithmetic number, because the mean of its divisors is an integer number (15018975).

Almost surely, 2^123889624 is an apocalyptic number.

It is an amenable number.

123889624 is a deficient number, since it is larger than the sum of its proper divisors (116413976).

123889624 is a wasteful number, since it uses less digits than its factorization.

123889624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534042 (or 534038 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 123889624 is about 11130.5715935885. The cubic root of 123889624 is about 498.5150931354.

The spelling of 123889624 in words is "one hundred twenty-three million, eight hundred eighty-nine thousand, six hundred twenty-four".