123085746011938 has 4 divisors (see below), whose sum is σ = 184628619017910. Its totient is φ = 61542873005968.

The previous prime is 123085746011903. The next prime is 123085746011947. The reversal of 123085746011938 is 839110647580321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122904562130289 + 181183881649 = 11086233^2 + 425657^2 .

It is a super-2 number, since 2×123085746011938² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30771436502983 + ... + 30771436502986.

It is a 1-persistent number, because it is pandigital, but 2⋅123085746011938 = 246171492023876 is not.

Almost surely, 2^{123085746011938} is an apocalyptic number.

123085746011938 is a deficient number, since it is larger than the sum of its proper divisors (61542873005972).

123085746011938 is an equidigital number, since it uses as much as digits as its factorization.

123085746011938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61542873005971.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 123085746011938 in words is "one hundred twenty-three trillion, eighty-five billion, seven hundred forty-six million, eleven thousand, nine hundred thirty-eight".