12323445131 has 8 divisors (see below), whose sum is σ = 12368294400. Its totient is φ = 12278673000.

The previous prime is 12323445067. The next prime is 12323445133. The reversal of 12323445131 is 13154432321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12323445131 - 2⁶ = 12323445067 is a prime.

It is a super-2 number, since 2×12323445131² (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 = 12323445094 and 12323445103.

It is not an unprimeable number, because it can be changed into a prime (12323445133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311000 + ... + 348378.

It is an arithmetic number, because the mean of its divisors is an integer number (1546036800).

Almost surely, 2^12323445131 is an apocalyptic number.

12323445131 is a deficient number, since it is larger than the sum of its proper divisors (44849269).

12323445131 is an equidigital number, since it uses as much as digits as its factorization.

12323445131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38569.

The product of its digits is 8640, while the sum is 29.

Adding to 12323445131 its reverse (13154432321), we get a palindrome (25477877452).

The spelling of 12323445131 in words is "twelve billion, three hundred twenty-three million, four hundred forty-five thousand, one hundred thirty-one".