123718130 has 16 divisors (see below), whose sum is σ = 223231680. Its totient is φ = 49367472.

The previous prime is 123718123. The next prime is 123718159. The reversal of 123718130 is 31817321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123718130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10574 + ... + 18953.

It is an arithmetic number, because the mean of its divisors is an integer number (13951980).

Almost surely, 2^123718130 is an apocalyptic number.

123718130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123718130 is a deficient number, since it is larger than the sum of its proper divisors (99513550).

123718130 is a wasteful number, since it uses less digits than its factorization.

123718130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29953.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 123718130 is about 11122.8651884305. The cubic root of 123718130 is about 498.2849640293.

The spelling of 123718130 in words is "one hundred twenty-three million, seven hundred eighteen thousand, one hundred thirty".