564420043423 has 2 divisors, whose sum is σ = 564420043424. Its totient is φ = 564420043422.

The previous prime is 564420043381. The next prime is 564420043477. The reversal of 564420043423 is 324340024465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564420043423 - 2⁹ = 564420042911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564420046423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282210021711 + 282210021712.

It is an arithmetic number, because the mean of its divisors is an integer number (282210021712).

Almost surely, 2^564420043423 is an apocalyptic number.

564420043423 is a deficient number, since it is larger than the sum of its proper divisors (1).

564420043423 is an equidigital number, since it uses as much as digits as its factorization.

564420043423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 564420043423 its reverse (324340024465), we get a palindrome (888760067888).

The spelling of 564420043423 in words is "five hundred sixty-four billion, four hundred twenty million, forty-three thousand, four hundred twenty-three".