423612516 has 24 divisors (see below), whose sum is σ = 990408384. Its totient is φ = 140921440.

The previous prime is 423612509. The next prime is 423612521. The reversal of 423612516 is 615216324.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 29055 + ... + 41126.

It is an arithmetic number, because the mean of its divisors is an integer number (41267016).

Almost surely, 2^423612516 is an apocalyptic number.

It is an amenable number.

423612516 is an abundant number, since it is smaller than the sum of its proper divisors (566795868).

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

423612516 is a wasteful number, since it uses less digits than its factorization.

423612516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70691 (or 70689 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 423612516 is about 20581.8491880589. The cubic root of 423612516 is about 751.0282287943.

The spelling of 423612516 in words is "four hundred twenty-three million, six hundred twelve thousand, five hundred sixteen".