123231020222031 has 8 divisors (see below), whose sum is σ = 165013211628720. Its totient is φ = 81801421148352.

The previous prime is 123231020221961. The next prime is 123231020222053. The reversal of 123231020222031 is 130222020132321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123231020222031 - 2¹⁰ = 123231020221007 is a prime.

It is a super-2 number, since 2×123231020222031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123231020221992 and 123231020222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231020222131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88148082436 + ... + 88148083833.

It is an arithmetic number, because the mean of its divisors is an integer number (20626651453590).

Almost surely, 2^{123231020222031} is an apocalyptic number.

123231020222031 is a deficient number, since it is larger than the sum of its proper divisors (41782191406689).

123231020222031 is a wasteful number, since it uses less digits than its factorization.

123231020222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176296166505.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123231020222031 its reverse (130222020132321), we get a palindrome (253453040354352).

The spelling of 123231020222031 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, twenty million, two hundred twenty-two thousand, thirty-one".