423564136 has 32 divisors (see below), whose sum is σ = 834724800. Its totient is φ = 201104640.

The previous prime is 423564107. The next prime is 423564149. The reversal of 423564136 is 631465324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17296 + ... + 33856.

It is an arithmetic number, because the mean of its divisors is an integer number (26085150).

Almost surely, 2^423564136 is an apocalyptic number.

423564136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

423564136 is a deficient number, since it is larger than the sum of its proper divisors (411160664).

423564136 is a wasteful number, since it uses less digits than its factorization.

423564136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16729 (or 16725 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 423564136 is about 20580.6738470829. The cubic root of 423564136 is about 750.9996365253. Note that the first 3 decimals are identical.

The spelling of 423564136 in words is "four hundred twenty-three million, five hundred sixty-four thousand, one hundred thirty-six".