12323779736 has 32 divisors (see below), whose sum is σ = 24120680880. Its totient is φ = 5897059200.

The previous prime is 12323779697. The next prime is 12323779739. The reversal of 12323779736 is 63797732321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323779739) 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, 323210 + ... + 359321.

Almost surely, 2^12323779736 is an apocalyptic number.

It is an amenable number.

12323779736 is a deficient number, since it is larger than the sum of its proper divisors (11796901144).

12323779736 is a wasteful number, since it uses less digits than its factorization.

12323779736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682635 (or 682631 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 50.

The spelling of 12323779736 in words is "twelve billion, three hundred twenty-three million, seven hundred seventy-nine thousand, seven hundred thirty-six".