12323817344 has 32 divisors (see below), whose sum is σ = 25995556800. Its totient is φ = 5799442432.

The previous prime is 12323817343. The next prime is 12323817347. The reversal of 12323817344 is 44371832321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12323817298 and 12323817307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323817343) 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, 2829584 + ... + 2833935.

It is an arithmetic number, because the mean of its divisors is an integer number (812361150).

Almost surely, 2^12323817344 is an apocalyptic number.

It is an amenable number.

12323817344 is an abundant number, since it is smaller than the sum of its proper divisors (13671739456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323817344 is an equidigital number, since it uses as much as digits as its factorization.

12323817344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663550 (or 5663538 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The spelling of 12323817344 in words is "twelve billion, three hundred twenty-three million, eight hundred seventeen thousand, three hundred forty-four".