565923 has 16 divisors (see below), whose sum is σ = 798336. Its totient is φ = 356160.

The previous prime is 565921. The next prime is 565937. The reversal of 565923 is 329565.

It is not a de Polignac number, because 565923 - 2¹ = 565921 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565923.

It is not an unprimeable number, because it can be changed into a prime (565921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2⁵⁶⁵⁹²³ is an apocalyptic number.

565923 is a deficient number, since it is larger than the sum of its proper divisors (232413).

565923 is a wasteful number, since it uses less digits than its factorization.

565923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its digits is 8100, while the sum is 30.

The square root of 565923 is about 752.2785388405. The cubic root of 565923 is about 82.7152871139.

The spelling of 565923 in words is "five hundred sixty-five thousand, nine hundred twenty-three".