423616524 has 12 divisors (see below), whose sum is σ = 988438584. Its totient is φ = 141205504.

The previous prime is 423616493. The next prime is 423616537. The reversal of 423616524 is 425616324.

It is a tau number, because it is divible by the number of its divisors (12).

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, 17650677 + ... + 17650700.

It is an arithmetic number, because the mean of its divisors is an integer number (82369882).

Almost surely, 2^423616524 is an apocalyptic number.

It is an amenable number.

423616524 is an abundant number, since it is smaller than the sum of its proper divisors (564822060).

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

423616524 is a wasteful number, since it uses less digits than its factorization.

423616524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301384 (or 35301382 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 423616524 is about 20581.9465551731. The cubic root of 423616524 is about 751.0305973989.

The spelling of 423616524 in words is "four hundred twenty-three million, six hundred sixteen thousand, five hundred twenty-four".