123323131321232 has 10 divisors (see below), whose sum is σ = 238938566934918. Its totient is φ = 61661565660608.

The previous prime is 123323131321189. The next prime is 123323131321289. The reversal of 123323131321232 is 232123131323321.

It can be written as a sum of positive squares in only one way, i.e., 98224273785856 + 25098857535376 = 9910816^2 + 5009876^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853847853773 + ... + 3853847853804.

Almost surely, 2^{123323131321232} is an apocalyptic number.

It is an amenable number.

123323131321232 is a deficient number, since it is larger than the sum of its proper divisors (115615435613686).

123323131321232 is an equidigital number, since it uses as much as digits as its factorization.

123323131321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707695707585 (or 7707695707579 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

Adding to 123323131321232 its reverse (232123131323321), we get a palindrome (355446262644553).

The spelling of 123323131321232 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-two".