12323011323 has 48 divisors (see below), whose sum is σ = 21117542400. Its totient is φ = 6339320064.

The previous prime is 12323011321. The next prime is 12323011333. The reversal of 12323011323 is 32311032321.

It is not a de Polignac number, because 12323011323 - 2¹ = 12323011321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12323011323.

It is not an unprimeable number, because it can be changed into a prime (12323011321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49723 + ... + 164676.

It is an arithmetic number, because the mean of its divisors is an integer number (439948800).

Almost surely, 2^12323011323 is an apocalyptic number.

12323011323 is a deficient number, since it is larger than the sum of its proper divisors (8794531077).

12323011323 is a wasteful number, since it uses less digits than its factorization.

12323011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214456 (or 214449 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12323011323 its reverse (32311032321), we get a palindrome (44634043644).

The spelling of 12323011323 in words is "twelve billion, three hundred twenty-three million, eleven thousand, three hundred twenty-three".