12023032313 has 4 divisors (see below), whose sum is σ = 12167888208. Its totient is φ = 11878176420.

The previous prime is 12023032291. The next prime is 12023032321. The reversal of 12023032313 is 31323032021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12023032313 - 2¹⁸ = 12022770169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023032393) 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, 72427823 + ... + 72427988.

It is an arithmetic number, because the mean of its divisors is an integer number (3041972052).

Almost surely, 2^12023032313 is an apocalyptic number.

It is an amenable number.

12023032313 is a deficient number, since it is larger than the sum of its proper divisors (144855895).

12023032313 is an equidigital number, since it uses as much as digits as its factorization.

12023032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144855894.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12023032313 its reverse (31323032021), we get a palindrome (43346064334).

The spelling of 12023032313 in words is "twelve billion, twenty-three million, thirty-two thousand, three hundred thirteen".