563445423 has 16 divisors (see below), whose sum is σ = 837758560. Its totient is φ = 374269248.

The previous prime is 563445391. The next prime is 563445427. The reversal of 563445423 is 324544365.

563445423 is a `hidden beast` number, since 563 + 44 + 54 + 2 + 3 = 666.

It is not a de Polignac number, because 563445423 - 2⁵ = 563445391 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 (563445427) 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, 30190 + ... + 45147.

It is an arithmetic number, because the mean of its divisors is an integer number (52359910).

Almost surely, 2^563445423 is an apocalyptic number.

563445423 is a deficient number, since it is larger than the sum of its proper divisors (274313137).

563445423 is a wasteful number, since it uses less digits than its factorization.

563445423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75623 (or 75617 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 563445423 is about 23737.0053502964. The cubic root of 563445423 is about 825.9440300980.

Adding to 563445423 its reverse (324544365), we get a palindrome (887989788).

The spelling of 563445423 in words is "five hundred sixty-three million, four hundred forty-five thousand, four hundred twenty-three".