563323812 has 12 divisors (see below), whose sum is σ = 1314422256. Its totient is φ = 187774600.

The previous prime is 563323807. The next prime is 563323819. The reversal of 563323812 is 218323365.

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

It is a super-2 number, since 2×563323812² = 634667434332422688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (563323819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23471814 + ... + 23471837.

It is an arithmetic number, because the mean of its divisors is an integer number (109535188).

Almost surely, 2^563323812 is an apocalyptic number.

It is an amenable number.

563323812 is an abundant number, since it is smaller than the sum of its proper divisors (751098444).

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

563323812 is a wasteful number, since it uses less digits than its factorization.

563323812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46943658 (or 46943656 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 563323812 is about 23734.4435789003. The cubic root of 563323812 is about 825.8846033978.

The spelling of 563323812 in words is "five hundred sixty-three million, three hundred twenty-three thousand, eight hundred twelve".