123231113022 has 16 divisors (see below), whose sum is σ = 246573622800. Its totient is φ = 41058471552.

The previous prime is 123231112973. The next prime is 123231113029. The reversal of 123231113022 is 220311132321.

It is a self number, because there is not a number n which added to its sum of digits gives 123231113022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231113029) 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, 4627147 + ... + 4653702.

It is an arithmetic number, because the mean of its divisors is an integer number (15410851425).

Almost surely, 2^123231113022 is an apocalyptic number.

123231113022 is an abundant number, since it is smaller than the sum of its proper divisors (123342509778).

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

123231113022 is a wasteful number, since it uses less digits than its factorization.

123231113022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283067.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123231113022 its reverse (220311132321), we get a palindrome (343542245343).

The spelling of 123231113022 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred thirteen thousand, twenty-two".