563717123 has 2 divisors, whose sum is σ = 563717124. Its totient is φ = 563717122.

The previous prime is 563717047. The next prime is 563717129. The reversal of 563717123 is 321717365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563717123 - 2²⁴ = 546939907 is a prime.

It is not a weakly prime, because it can be changed into another prime (563717129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281858561 + 281858562.

It is an arithmetic number, because the mean of its divisors is an integer number (281858562).

Almost surely, 2^563717123 is an apocalyptic number.

563717123 is a deficient number, since it is larger than the sum of its proper divisors (1).

563717123 is an equidigital number, since it uses as much as digits as its factorization.

563717123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 35.

The square root of 563717123 is about 23742.7277918945. The cubic root of 563717123 is about 826.0767687347.

The spelling of 563717123 in words is "five hundred sixty-three million, seven hundred seventeen thousand, one hundred twenty-three".