563361923 has 2 divisors, whose sum is σ = 563361924. Its totient is φ = 563361922.

The previous prime is 563361863. The next prime is 563361937. The reversal of 563361923 is 329163365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563361923 - 2¹⁰ = 563360899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (563361943) 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, 281680961 + 281680962.

It is an arithmetic number, because the mean of its divisors is an integer number (281680962).

Almost surely, 2^563361923 is an apocalyptic number.

563361923 is a deficient number, since it is larger than the sum of its proper divisors (1).

563361923 is an equidigital number, since it uses as much as digits as its factorization.

563361923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 38.

The square root of 563361923 is about 23735.2464280445. The cubic root of 563361923 is about 825.9032277235.

The spelling of 563361923 in words is "five hundred sixty-three million, three hundred sixty-one thousand, nine hundred twenty-three".