123231032331 has 32 divisors (see below), whose sum is σ = 181477760256. Its totient is φ = 73758960000.

The previous prime is 123231032329. The next prime is 123231032357. The reversal of 123231032331 is 133230132321.

It is not a de Polignac number, because 123231032331 - 2¹ = 123231032329 is a prime.

It is a super-2 number, since 2×123231032331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123231032311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276636 + ... + 1369766.

It is an arithmetic number, because the mean of its divisors is an integer number (5671180008).

Almost surely, 2^123231032331 is an apocalyptic number.

123231032331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123231032331 is a deficient number, since it is larger than the sum of its proper divisors (58246727925).

123231032331 is a wasteful number, since it uses less digits than its factorization.

123231032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93643.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123231032331 its reverse (133230132321), we get a palindrome (256461164652).

The spelling of 123231032331 in words is "one hundred twenty-three billion, two hundred thirty-one million, thirty-two thousand, three hundred thirty-one".