12323862440 has 64 divisors (see below), whose sum is σ = 28151608320. Its totient is φ = 4854880000.

The previous prime is 12323862413. The next prime is 12323862457. The reversal of 12323862440 is 4426832321.

It is a self number, because there is not a number n which added to its sum of digits gives 12323862440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763655 + ... + 779625.

It is an arithmetic number, because the mean of its divisors is an integer number (439868880).

Almost surely, 2^12323862440 is an apocalyptic number.

12323862440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323862440 is an abundant number, since it is smaller than the sum of its proper divisors (15827745880).

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

12323862440 is a wasteful number, since it uses less digits than its factorization.

12323862440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274 (or 16270 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 12323862440 in words is "twelve billion, three hundred twenty-three million, eight hundred sixty-two thousand, four hundred forty".