423564016 has 20 divisors (see below), whose sum is σ = 828626032. Its totient is φ = 209725056.

The previous prime is 423563999. The next prime is 423564077. The reversal of 423564016 is 610465324.

It is a congruent 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, 126861 + ... + 130156.

Almost surely, 2^423564016 is an apocalyptic number.

It is an amenable number.

423564016 is a deficient number, since it is larger than the sum of its proper divisors (405062016).

423564016 is a wasteful number, since it uses less digits than its factorization.

423564016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257128 (or 257122 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 423564016 is about 20580.6709317262. The cubic root of 423564016 is about 750.9995656034. Note that the first 3 decimals are identical.

The spelling of 423564016 in words is "four hundred twenty-three million, five hundred sixty-four thousand, sixteen".