423911812 has 48 divisors (see below), whose sum is σ = 806682240. Its totient is φ = 194234112.

The previous prime is 423911797. The next prime is 423911837. The reversal of 423911812 is 218119324.

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, 654873 + ... + 655519.

It is an arithmetic number, because the mean of its divisors is an integer number (16805880).

Almost surely, 2^423911812 is an apocalyptic number.

It is an amenable number.

423911812 is a deficient number, since it is larger than the sum of its proper divisors (382770428).

423911812 is a wasteful number, since it uses less digits than its factorization.

423911812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 423911812 is about 20589.1187766742. The cubic root of 423911812 is about 751.2050624327.

The spelling of 423911812 in words is "four hundred twenty-three million, nine hundred eleven thousand, eight hundred twelve".