123172712674071 has 16 divisors (see below), whose sum is σ = 164463765063936. Its totient is φ = 81998454758976.

The previous prime is 123172712674061. The next prime is 123172712674091. The reversal of 123172712674071 is 170476217271321.

It is not a de Polignac number, because 123172712674071 - 2⁶ = 123172712674007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123172712674061) 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, 2459971 + ... + 15887003.

It is an arithmetic number, because the mean of its divisors is an integer number (10278985316496).

Almost surely, 2^{123172712674071} is an apocalyptic number.

123172712674071 is a deficient number, since it is larger than the sum of its proper divisors (41291052389865).

123172712674071 is a wasteful number, since it uses less digits than its factorization.

123172712674071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431382.

The product of its (nonzero) digits is 1382976, while the sum is 51.

The spelling of 123172712674071 in words is "one hundred twenty-three trillion, one hundred seventy-two billion, seven hundred twelve million, six hundred seventy-four thousand, seventy-one".