123224738 has 32 divisors (see below), whose sum is σ = 240879744. Its totient is φ = 45879552.

The previous prime is 123224729. The next prime is 123224743. The reversal of 123224738 is 837422321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16820 + ... + 23007.

It is an arithmetic number, because the mean of its divisors is an integer number (7527492).

Almost surely, 2^123224738 is an apocalyptic number.

123224738 is a deficient number, since it is larger than the sum of its proper divisors (117655006).

123224738 is a wasteful number, since it uses less digits than its factorization.

123224738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39866.

The product of its digits is 16128, while the sum is 32.

The square root of 123224738 is about 11100.6638540224. The cubic root of 123224738 is about 497.6216892124.

The spelling of 123224738 in words is "one hundred twenty-three million, two hundred twenty-four thousand, seven hundred thirty-eight".