12313100123 has 4 divisors (see below), whose sum is σ = 12314666448. Its totient is φ = 12311533800.

The previous prime is 12313100101. The next prime is 12313100143. The reversal of 12313100123 is 32100131321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12313100123 - 2¹² = 12313096027 is a prime.

It is a super-2 number, since 2×12313100123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313100143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771311 + ... + 787112.

It is an arithmetic number, because the mean of its divisors is an integer number (3078666612).

Almost surely, 2^12313100123 is an apocalyptic number.

12313100123 is a deficient number, since it is larger than the sum of its proper divisors (1566325).

12313100123 is an equidigital number, since it uses as much as digits as its factorization.

12313100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566324.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12313100123 its reverse (32100131321), we get a palindrome (44413231444).

The spelling of 12313100123 in words is "twelve billion, three hundred thirteen million, one hundred thousand, one hundred twenty-three".