123879392 has 96 divisors (see below), whose sum is σ = 316108800. Its totient is φ = 46407168.

The previous prime is 123879389. The next prime is 123879401. The reversal of 123879392 is 293978321.

It is a happy number.

It is a super-2 number, since 2×123879392² = 30692207524579328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54209 + ... + 56447.

It is an arithmetic number, because the mean of its divisors is an integer number (3292800).

Almost surely, 2^123879392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123879392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158054400).

123879392 is an abundant number, since it is smaller than the sum of its proper divisors (192229408).

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

123879392 is a wasteful number, since it uses less digits than its factorization.

123879392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2280 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 123879392 is about 11130.1119491225. Note that the first 3 decimals coincide. The cubic root of 123879392 is about 498.5013686961.

The spelling of 123879392 in words is "one hundred twenty-three million, eight hundred seventy-nine thousand, three hundred ninety-two".