123931080 has 384 divisors, whose sum is σ = 516499200. Its totient is φ = 25878528.

The previous prime is 123931043. The next prime is 123931097. The reversal of 123931080 is 80139321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1277592 + ... + 1277688.

It is an arithmetic number, because the mean of its divisors is an integer number (1345050).

Almost surely, 2^123931080 is an apocalyptic number.

123931080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123931080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258249600).

123931080 is an abundant number, since it is smaller than the sum of its proper divisors (392568120).

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

123931080 is a wasteful number, since it uses less digits than its factorization.

123931080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 123931080 is about 11132.4336961870. The cubic root of 123931080 is about 498.5706913804.

The spelling of 123931080 in words is "one hundred twenty-three million, nine hundred thirty-one thousand, eighty".