563522923 has 2 divisors, whose sum is σ = 563522924. Its totient is φ = 563522922.

The previous prime is 563522909. The next prime is 563522969. The reversal of 563522923 is 329225365.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563522923 is a prime.

It is not a weakly prime, because it can be changed into another prime (563522623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281761461 + 281761462.

It is an arithmetic number, because the mean of its divisors is an integer number (281761462).

Almost surely, 2^563522923 is an apocalyptic number.

563522923 is a deficient number, since it is larger than the sum of its proper divisors (1).

563522923 is an equidigital number, since it uses as much as digits as its factorization.

563522923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The square root of 563522923 is about 23738.6377663083. The cubic root of 563522923 is about 825.9818969586.

The spelling of 563522923 in words is "five hundred sixty-three million, five hundred twenty-two thousand, nine hundred twenty-three".