423557164 has 12 divisors (see below), whose sum is σ = 741570088. Its totient is φ = 211680000.

The previous prime is 423557149. The next prime is 423557203. The reversal of 423557164 is 461755324.

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, 14517 + ... + 32524.

Almost surely, 2^423557164 is an apocalyptic number.

It is an amenable number.

423557164 is a deficient number, since it is larger than the sum of its proper divisors (318012924).

423557164 is a wasteful number, since it uses less digits than its factorization.

423557164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49296 (or 49294 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 423557164 is about 20580.5044641768. The cubic root of 423557164 is about 750.9955159386.

The spelling of 423557164 in words is "four hundred twenty-three million, five hundred fifty-seven thousand, one hundred sixty-four".