565013023 has 2 divisors, whose sum is σ = 565013024. Its totient is φ = 565013022.

The previous prime is 565013011. The next prime is 565013027. The reversal of 565013023 is 320310565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565013023 - 2¹³ = 565004831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565013027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282506511 + 282506512.

It is an arithmetic number, because the mean of its divisors is an integer number (282506512).

Almost surely, 2^565013023 is an apocalyptic number.

565013023 is a deficient number, since it is larger than the sum of its proper divisors (1).

565013023 is an equidigital number, since it uses as much as digits as its factorization.

565013023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 565013023 is about 23770.0025872948. The cubic root of 565013023 is about 826.7092926085.

Adding to 565013023 its reverse (320310565), we get a palindrome (885323588).

The spelling of 565013023 in words is "five hundred sixty-five million, thirteen thousand, twenty-three".