123679508739085 has 16 divisors (see below), whose sum is σ = 163549003330944. Its totient is φ = 89208547267392.

The previous prime is 123679508739013. The next prime is 123679508739103. The reversal of 123679508739085 is 580937805976321.

It is a cyclic number.

It is not a de Polignac number, because 123679508739085 - 2²⁹ = 123678971868173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123679508738999 and 123679508739017.

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, 22125132937 + ... + 22125138526.

It is an arithmetic number, because the mean of its divisors is an integer number (10221812708184).

Almost surely, 2^{123679508739085} is an apocalyptic number.

It is an amenable number.

123679508739085 is a deficient number, since it is larger than the sum of its proper divisors (39869494591859).

123679508739085 is a wasteful number, since it uses less digits than its factorization.

123679508739085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44250271524.

The product of its (nonzero) digits is 685843200, while the sum is 73.

The spelling of 123679508739085 in words is "one hundred twenty-three trillion, six hundred seventy-nine billion, five hundred eight million, seven hundred thirty-nine thousand, eighty-five".