123085746011939 has 16 divisors (see below), whose sum is σ = 129455254093824. Its totient is φ = 116866234898400.

The previous prime is 123085746011903. The next prime is 123085746011947. The reversal of 123085746011939 is 939110647580321.

It is a cyclic number.

It is not a de Polignac number, because 123085746011939 - 2³⁶ = 123017026535203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123085746011989) 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, 135032474 + ... + 135940944.

It is an arithmetic number, because the mean of its divisors is an integer number (8090953380864).

It is a 1-persistent number, because it is pandigital, but 2⋅123085746011939 = 246171492023878 is not.

Almost surely, 2^{123085746011939} is an apocalyptic number.

123085746011939 is a deficient number, since it is larger than the sum of its proper divisors (6369508081885).

123085746011939 is an equidigital number, since it uses as much as digits as its factorization.

123085746011939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991018.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 123085746011939 in words is "one hundred twenty-three trillion, eighty-five billion, seven hundred forty-six million, eleven thousand, nine hundred thirty-nine".