565723 has 2 divisors, whose sum is σ = 565724. Its totient is φ = 565722.

The previous prime is 565667. The next prime is 565727. The reversal of 565723 is 327565.

565723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565723 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 565691 and 565700.

It is not a weakly prime, because it can be changed into another prime (565727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282861 + 282862.

It is an arithmetic number, because the mean of its divisors is an integer number (282862).

2⁵⁶⁵⁷²³ is an apocalyptic number.

565723 is a deficient number, since it is larger than the sum of its proper divisors (1).

565723 is an equidigital number, since it uses as much as digits as its factorization.

565723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 28.

The square root of 565723 is about 752.1455976073. The cubic root of 565723 is about 82.7055419680.

The spelling of 565723 in words is "five hundred sixty-five thousand, seven hundred twenty-three".