423737968816 has 20 divisors (see below), whose sum is σ = 847475938624. Its totient is φ = 205034500800.

The previous prime is 423737968793. The next prime is 423737968877. The reversal of 423737968816 is 618869737324.

423737968816 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427154715 + ... + 427155706.

Almost surely, 2^423737968816 is an apocalyptic number.

It is an amenable number.

423737968816 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423737968816 is a wasteful number, since it uses less digits than its factorization.

423737968816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854310460 (or 854310454 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 64.

The spelling of 423737968816 in words is "four hundred twenty-three billion, seven hundred thirty-seven million, nine hundred sixty-eight thousand, eight hundred sixteen".