12322431344 has 20 divisors (see below), whose sum is σ = 23908406520. Its totient is φ = 6152520000.

The previous prime is 12322431299. The next prime is 12322431347. The reversal of 12322431344 is 44313422321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322431347) 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, 531782 + ... + 554469.

It is an arithmetic number, because the mean of its divisors is an integer number (1195420326).

Almost surely, 2^12322431344 is an apocalyptic number.

It is an amenable number.

12322431344 is a deficient number, since it is larger than the sum of its proper divisors (11585975176).

12322431344 is a wasteful number, since it uses less digits than its factorization.

12322431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086968 (or 1086962 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 12322431344 its reverse (44313422321), we get a palindrome (56635853665).

The spelling of 12322431344 in words is "twelve billion, three hundred twenty-two million, four hundred thirty-one thousand, three hundred forty-four".