566421323 has 4 divisors (see below), whose sum is σ = 609992208. Its totient is φ = 522850440.

The previous prime is 566421313. The next prime is 566421343. The reversal of 566421323 is 323124665.

566421323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 566421323 - 2¹⁰ = 566420299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566421323.

It is not an unprimeable number, because it can be changed into a prime (566421313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21785423 + ... + 21785448.

It is an arithmetic number, because the mean of its divisors is an integer number (152498052).

Almost surely, 2^566421323 is an apocalyptic number.

566421323 is a deficient number, since it is larger than the sum of its proper divisors (43570885).

566421323 is a wasteful number, since it uses less digits than its factorization.

566421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43570884.

The product of its digits is 25920, while the sum is 32.

The square root of 566421323 is about 23799.6076228160. The cubic root of 566421323 is about 827.3955828246.

Adding to 566421323 its reverse (323124665), we get a palindrome (889545988).

The spelling of 566421323 in words is "five hundred sixty-six million, four hundred twenty-one thousand, three hundred twenty-three".