563323399 has 2 divisors, whose sum is σ = 563323400. Its totient is φ = 563323398.

The previous prime is 563323361. The next prime is 563323421. The reversal of 563323399 is 993323365.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563323399 - 2²¹ = 561226247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563323309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281661699 + 281661700.

It is an arithmetic number, because the mean of its divisors is an integer number (281661700).

Almost surely, 2^563323399 is an apocalyptic number.

563323399 is a deficient number, since it is larger than the sum of its proper divisors (1).

563323399 is an equidigital number, since it uses as much as digits as its factorization.

563323399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 43.

The square root of 563323399 is about 23734.4348784630. The cubic root of 563323399 is about 825.8844015658.

The spelling of 563323399 in words is "five hundred sixty-three million, three hundred twenty-three thousand, three hundred ninety-nine".