123123022131032 has 192 divisors, whose sum is σ = 309944041228800. Its totient is φ = 45214578743040.

The previous prime is 123123022131029. The next prime is 123123022131073. The reversal of 123123022131032 is 230131220321321.

It is a junction number, because it is equal to n+sod(n) for n = 123123022130992 and 123123022131010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12325553 + ... + 19954079.

It is an arithmetic number, because the mean of its divisors is an integer number (1614291881400).

Almost surely, 2^{123123022131032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123123022131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154972020614400).

123123022131032 is an abundant number, since it is smaller than the sum of its proper divisors (186821019097768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123123022131032 is a wasteful number, since it uses less digits than its factorization.

123123022131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628774 (or 7628763 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123123022131032 its reverse (230131220321321), we get a palindrome (353254242452353).

The spelling of 123123022131032 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, twenty-two million, one hundred thirty-one thousand, thirty-two".