566404323 has 4 divisors (see below), whose sum is σ = 755205768. Its totient is φ = 377602880.

The previous prime is 566404309. The next prime is 566404327. The reversal of 566404323 is 323404665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566404323 - 2⁵ = 566404291 is a prime.

It is a super-2 number, since 2×566404323² = 641627714226176658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (566404327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94400718 + ... + 94400723.

It is an arithmetic number, because the mean of its divisors is an integer number (188801442).

Almost surely, 2^566404323 is an apocalyptic number.

566404323 is a deficient number, since it is larger than the sum of its proper divisors (188801445).

566404323 is a wasteful number, since it uses less digits than its factorization.

566404323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188801444.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 566404323 is about 23799.2504713909. The cubic root of 566404323 is about 827.3873052021.

Adding to 566404323 its reverse (323404665), we get a palindrome (889808988).

The spelling of 566404323 in words is "five hundred sixty-six million, four hundred four thousand, three hundred twenty-three".