423316566 has 12 divisors (see below), whose sum is σ = 917185932. Its totient is φ = 141105516.

The previous prime is 423316559. The next prime is 423316573. The reversal of 423316566 is 665613324.

It is an interprime number because it is at equal distance from previous prime (423316559) and next prime (423316573).

It is a self number, because there is not a number n which added to its sum of digits gives 423316566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11758776 + ... + 11758811.

It is an arithmetic number, because the mean of its divisors is an integer number (76432161).

Almost surely, 2^423316566 is an apocalyptic number.

423316566 is an abundant number, since it is smaller than the sum of its proper divisors (493869366).

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

423316566 is a wasteful number, since it uses less digits than its factorization.

423316566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517595 (or 23517592 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 423316566 is about 20574.6583446725. The cubic root of 423316566 is about 750.8532901597.

The spelling of 423316566 in words is "four hundred twenty-three million, three hundred sixteen thousand, five hundred sixty-six".