423930812 has 24 divisors (see below), whose sum is σ = 794169600. Its totient is φ = 197403696.

The previous prime is 423930811. The next prime is 423930817. The reversal of 423930812 is 218039324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423930811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42788 + ... + 51755.

It is an arithmetic number, because the mean of its divisors is an integer number (33090400).

Almost surely, 2^423930812 is an apocalyptic number.

It is an amenable number.

423930812 is a deficient number, since it is larger than the sum of its proper divisors (370238788).

423930812 is a wasteful number, since it uses less digits than its factorization.

423930812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94625 (or 94623 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 423930812 is about 20589.5801802757. The cubic root of 423930812 is about 751.2162854297.

The spelling of 423930812 in words is "four hundred twenty-three million, nine hundred thirty thousand, eight hundred twelve".