123513240179 has 12 divisors (see below), whose sum is σ = 143689997664. Its totient is φ = 105860142864.

The previous prime is 123513240161. The next prime is 123513240211. The reversal of 123513240179 is 971042315321.

It is not a de Polignac number, because 123513240179 - 2¹⁶ = 123513174643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123513240379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574454 + ... + 759620.

It is an arithmetic number, because the mean of its divisors is an integer number (11974166472).

Almost surely, 2^123513240179 is an apocalyptic number.

123513240179 is a deficient number, since it is larger than the sum of its proper divisors (20176757485).

123513240179 is a wasteful number, since it uses less digits than its factorization.

123513240179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198794 (or 198787 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 123513240179 in words is "one hundred twenty-three billion, five hundred thirteen million, two hundred forty thousand, one hundred seventy-nine".