563423663 has 16 divisors (see below), whose sum is σ = 675129600. Its totient is φ = 464143680.

The previous prime is 563423659. The next prime is 563423669. The reversal of 563423663 is 366324365.

563423663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 563423663 - 2² = 563423659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563423669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53798 + ... + 63411.

It is an arithmetic number, because the mean of its divisors is an integer number (42195600).

Almost surely, 2^563423663 is an apocalyptic number.

563423663 is a deficient number, since it is larger than the sum of its proper divisors (111705937).

563423663 is a wasteful number, since it uses less digits than its factorization.

563423663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117262.

The product of its digits is 233280, while the sum is 38.

The square root of 563423663 is about 23736.5469898214. The cubic root of 563423663 is about 825.9333974365.

The spelling of 563423663 in words is "five hundred sixty-three million, four hundred twenty-three thousand, six hundred sixty-three".