565565323 has 2 divisors, whose sum is σ = 565565324. Its totient is φ = 565565322.

The previous prime is 565565317. The next prime is 565565411. The reversal of 565565323 is 323565565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565565323 - 2¹⁷ = 565434251 is a prime.

It is not a weakly prime, because it can be changed into another prime (565565303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282782661 + 282782662.

It is an arithmetic number, because the mean of its divisors is an integer number (282782662).

Almost surely, 2^565565323 is an apocalyptic number.

565565323 is a deficient number, since it is larger than the sum of its proper divisors (1).

565565323 is an equidigital number, since it uses as much as digits as its factorization.

565565323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405000, while the sum is 40.

The square root of 565565323 is about 23781.6173335625. The cubic root of 565565323 is about 826.9785742190.

The spelling of 565565323 in words is "five hundred sixty-five million, five hundred sixty-five thousand, three hundred twenty-three".