123142130331022 has 16 divisors (see below), whose sum is σ = 202954982630400. Its totient is φ = 55571007146040.

The previous prime is 123142130330987. The next prime is 123142130331083. The reversal of 123142130331022 is 220133031241321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20134419822 + ... + 20134425937.

It is an arithmetic number, because the mean of its divisors is an integer number (12684686414400).

Almost surely, 2^{123142130331022} is an apocalyptic number.

123142130331022 is a deficient number, since it is larger than the sum of its proper divisors (79812852299378).

123142130331022 is a wasteful number, since it uses less digits than its factorization.

123142130331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40268845911.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 123142130331022 its reverse (220133031241321), we get a palindrome (343275161572343).

The spelling of 123142130331022 in words is "one hundred twenty-three trillion, one hundred forty-two billion, one hundred thirty million, three hundred thirty-one thousand, twenty-two".