12323013544 has 16 divisors (see below), whose sum is σ = 23108447520. Its totient is φ = 6160760880.

The previous prime is 12323013539. The next prime is 12323013551. The reversal of 12323013544 is 44531032321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19602 + ... + 158209.

It is an arithmetic number, because the mean of its divisors is an integer number (1444277970).

Almost surely, 2^12323013544 is an apocalyptic number.

It is an amenable number.

12323013544 is a deficient number, since it is larger than the sum of its proper divisors (10785433976).

12323013544 is a wasteful number, since it uses less digits than its factorization.

12323013544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186480 (or 186476 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12323013544 its reverse (44531032321), we get a palindrome (56854045865).

The spelling of 12323013544 in words is "twelve billion, three hundred twenty-three million, thirteen thousand, five hundred forty-four".