12323120131 has 4 divisors (see below), whose sum is σ = 14083565872. Its totient is φ = 10562674392.

The previous prime is 12323120107. The next prime is 12323120207. The reversal of 12323120131 is 13102132321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13102132321 = 23 ⋅569657927.

It is a cyclic number.

It is not a de Polignac number, because 12323120131 - 2⁵ = 12323120099 is a prime.

It is a super-2 number, since 2×12323120131² (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 = 12323120099 and 12323120108.

It is not an unprimeable number, because it can be changed into a prime (12323120101) 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, 880222860 + ... + 880222873.

It is an arithmetic number, because the mean of its divisors is an integer number (3520891468).

Almost surely, 2^12323120131 is an apocalyptic number.

12323120131 is a deficient number, since it is larger than the sum of its proper divisors (1760445741).

12323120131 is an equidigital number, since it uses as much as digits as its factorization.

12323120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760445740.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12323120131 its reverse (13102132321), we get a palindrome (25425252452).

The spelling of 12323120131 in words is "twelve billion, three hundred twenty-three million, one hundred twenty thousand, one hundred thirty-one".