423907356 has 48 divisors (see below), whose sum is σ = 1019239200. Its totient is φ = 137060352.

The previous prime is 423907343. The next prime is 423907391. The reversal of 423907356 is 653709324.

It is a congruent number.

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, 52860 + ... + 60348.

It is an arithmetic number, because the mean of its divisors is an integer number (21234150).

Almost surely, 2^423907356 is an apocalyptic number.

It is an amenable number.

423907356 is an abundant number, since it is smaller than the sum of its proper divisors (595331844).

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

423907356 is a wasteful number, since it uses less digits than its factorization.

423907356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7636 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 423907356 is about 20589.0105638906. The cubic root of 423907356 is about 751.2024302961.

The spelling of 423907356 in words is "four hundred twenty-three million, nine hundred seven thousand, three hundred fifty-six".