12232031123 has 16 divisors (see below), whose sum is σ = 13347801600. Its totient is φ = 11141413920.

The previous prime is 12232031113. The next prime is 12232031153. The reversal of 12232031123 is 32113023221.

It is not a de Polignac number, because 12232031123 - 2⁶ = 12232031059 is a prime.

It is a super-2 number, since 2×12232031123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12232031095 and 12232031104.

It is not an unprimeable number, because it can be changed into a prime (12232031113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605208 + ... + 2609898.

It is an arithmetic number, because the mean of its divisors is an integer number (834237600).

Almost surely, 2^12232031123 is an apocalyptic number.

12232031123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12232031123 is a deficient number, since it is larger than the sum of its proper divisors (1115770477).

12232031123 is a wasteful number, since it uses less digits than its factorization.

12232031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12232031123 its reverse (32113023221), we get a palindrome (44345054344).

The spelling of 12232031123 in words is "twelve billion, two hundred thirty-two million, thirty-one thousand, one hundred twenty-three".