123344872 has 16 divisors (see below), whose sum is σ = 264310560. Its totient is φ = 52862064.

The previous prime is 123344863. The next prime is 123344891. The reversal of 123344872 is 278443321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101238 + ... + 1101349.

It is an arithmetic number, because the mean of its divisors is an integer number (16519410).

Almost surely, 2^123344872 is an apocalyptic number.

It is an amenable number.

123344872 is an abundant number, since it is smaller than the sum of its proper divisors (140965688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123344872 is a wasteful number, since it uses less digits than its factorization.

123344872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202600 (or 2202596 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 123344872 is about 11106.0736536366. The cubic root of 123344872 is about 497.7833501154.

The spelling of 123344872 in words is "one hundred twenty-three million, three hundred forty-four thousand, eight hundred seventy-two".