423902384 has 20 divisors (see below), whose sum is σ = 821981616. Its totient is φ = 211778112.

The previous prime is 423902357. The next prime is 423902393. The reversal of 423902384 is 483209324.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10682 + ... + 31014.

Almost surely, 2^423902384 is an apocalyptic number.

It is an amenable number.

423902384 is a deficient number, since it is larger than the sum of its proper divisors (398079232).

423902384 is a wasteful number, since it uses less digits than its factorization.

423902384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644 (or 21638 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 423902384 is about 20588.8898195119. The cubic root of 423902384 is about 751.1994933390.

The spelling of 423902384 in words is "four hundred twenty-three million, nine hundred two thousand, three hundred eighty-four".