12323322544 has 40 divisors (see below), whose sum is σ = 26260194240. Its totient is φ = 5566668288.

The previous prime is 12323322521. The next prime is 12323322547. The reversal of 12323322544 is 44522332321.

It is not an unprimeable number, because it can be changed into a prime (12323322547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620509 + ... + 640060.

It is an arithmetic number, because the mean of its divisors is an integer number (656504856).

Almost surely, 2^12323322544 is an apocalyptic number.

It is an amenable number.

12323322544 is an abundant number, since it is smaller than the sum of its proper divisors (13936871696).

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

12323322544 is a wasteful number, since it uses less digits than its factorization.

12323322544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260637 (or 1260631 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

Adding to 12323322544 its reverse (44522332321), we get a palindrome (56845654865).

The spelling of 12323322544 in words is "twelve billion, three hundred twenty-three million, three hundred twenty-two thousand, five hundred forty-four".