563126423 has 2 divisors, whose sum is σ = 563126424. Its totient is φ = 563126422.

The previous prime is 563126413. The next prime is 563126449. The reversal of 563126423 is 324621365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563126423 - 2⁸ = 563126167 is a prime.

It is a super-2 number, since 2×563126423² = 634222736561549858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 563126423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563126413) 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, 281563211 + 281563212.

It is an arithmetic number, because the mean of its divisors is an integer number (281563212).

Almost surely, 2^563126423 is an apocalyptic number.

563126423 is a deficient number, since it is larger than the sum of its proper divisors (1).

563126423 is an equidigital number, since it uses as much as digits as its factorization.

563126423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 563126423 is about 23730.2849329712. The cubic root of 563126423 is about 825.7881286427.

Adding to 563126423 its reverse (324621365), we get a palindrome (887747788).

The spelling of 563126423 in words is "five hundred sixty-three million, one hundred twenty-six thousand, four hundred twenty-three".