123238924 has 6 divisors (see below), whose sum is σ = 215668124. Its totient is φ = 61619460.

The previous prime is 123238867. The next prime is 123238937. The reversal of 123238924 is 429832321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123238924.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15404862 + ... + 15404869.

Almost surely, 2^123238924 is an apocalyptic number.

It is an amenable number.

123238924 is a deficient number, since it is larger than the sum of its proper divisors (92429200).

123238924 is a wasteful number, since it uses less digits than its factorization.

123238924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30809735 (or 30809733 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 123238924 is about 11101.3028064277. The cubic root of 123238924 is about 497.6407843782.

The spelling of 123238924 in words is "one hundred twenty-three million, two hundred thirty-eight thousand, nine hundred twenty-four".