123500715 has 16 divisors (see below), whose sum is σ = 212801568. Its totient is φ = 60800256.

The previous prime is 123500711. The next prime is 123500719. The reversal of 123500715 is 517005321.

It is an interprime number because it is at equal distance from previous prime (123500711) and next prime (123500719).

It is not a de Polignac number, because 123500715 - 2² = 123500711 is a prime.

It is a super-2 number, since 2×123500715² = 30504853211022450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123500711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316474 + ... + 316863.

It is an arithmetic number, because the mean of its divisors is an integer number (13300098).

Almost surely, 2^123500715 is an apocalyptic number.

123500715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123500715 is a deficient number, since it is larger than the sum of its proper divisors (89300853).

123500715 is a wasteful number, since it uses less digits than its factorization.

123500715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633358.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 123500715 is about 11113.0875547707. The cubic root of 123500715 is about 497.9929072714.

The spelling of 123500715 in words is "one hundred twenty-three million, five hundred thousand, seven hundred fifteen".