423236904 has 32 divisors (see below), whose sum is σ = 1094580000. Its totient is φ = 136213952.

The previous prime is 423236903. The next prime is 423236921. The reversal of 423236904 is 409632324.

It is not an unprimeable number, because it can be changed into a prime (423236903) 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, 303354 + ... + 304745.

It is an arithmetic number, because the mean of its divisors is an integer number (34205625).

Almost surely, 2^423236904 is an apocalyptic number.

It is an amenable number.

423236904 is an abundant number, since it is smaller than the sum of its proper divisors (671343096).

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

423236904 is a wasteful number, since it uses less digits than its factorization.

423236904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608137 (or 608133 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 423236904 is about 20572.7223283648. The cubic root of 423236904 is about 750.8061873277.

The spelling of 423236904 in words is "four hundred twenty-three million, two hundred thirty-six thousand, nine hundred four".