12313333123 has 16 divisors (see below), whose sum is σ = 15247864576. Its totient is φ = 9682636320.

The previous prime is 12313333111. The next prime is 12313333177. The reversal of 12313333123 is 32133331321.

It is a de Polignac number, because none of the positive numbers 2^k-12313333123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12313333103) 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, 400233 + ... + 429898.

It is an arithmetic number, because the mean of its divisors is an integer number (952991536).

Almost surely, 2^12313333123 is an apocalyptic number.

12313333123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12313333123 is a deficient number, since it is larger than the sum of its proper divisors (2934531453).

12313333123 is a wasteful number, since it uses less digits than its factorization.

12313333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830314.

The product of its digits is 2916, while the sum is 25.

Adding to 12313333123 its reverse (32133331321), we get a palindrome (44446664444).

The spelling of 12313333123 in words is "twelve billion, three hundred thirteen million, three hundred thirty-three thousand, one hundred twenty-three".