565456023 has 48 divisors (see below), whose sum is σ = 947700000. Its totient is φ = 321085440.

The previous prime is 565455983. The next prime is 565456033. The reversal of 565456023 is 320654565.

It is a happy number.

565456023 is a `hidden beast` number, since 5 + 6 + 5 + 45 + 602 + 3 = 666.

It is not a de Polignac number, because 565456023 - 2⁸ = 565455767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565456033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452103 + ... + 453351.

It is an arithmetic number, because the mean of its divisors is an integer number (19743750).

Almost surely, 2^565456023 is an apocalyptic number.

565456023 is a deficient number, since it is larger than the sum of its proper divisors (382243977).

565456023 is a wasteful number, since it uses less digits than its factorization.

565456023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 565456023 is about 23779.3192291117. The cubic root of 565456023 is about 826.9252973897.

The spelling of 565456023 in words is "five hundred sixty-five million, four hundred fifty-six thousand, twenty-three".