563199823 has 6 divisors (see below), whose sum is σ = 565466096. Its totient is φ = 560942592.

The previous prime is 563199799. The next prime is 563199863. The reversal of 563199823 is 328991365.

It is a happy number.

It is not a de Polignac number, because 563199823 - 2¹³ = 563191631 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 (563199863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61786 + ... + 70312.

Almost surely, 2^563199823 is an apocalyptic number.

563199823 is a deficient number, since it is larger than the sum of its proper divisors (2266273).

563199823 is an frugal number, since it uses more digits than its factorization.

563199823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041 (or 8784 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 563199823 is about 23731.8314295378. The cubic root of 563199823 is about 825.8240058530.

The spelling of 563199823 in words is "five hundred sixty-three million, one hundred ninety-nine thousand, eight hundred twenty-three".