564723983 has 4 divisors (see below), whose sum is σ = 567650208. Its totient is φ = 561797760.

The previous prime is 564723977. The next prime is 564724019. The reversal of 564723983 is 389327465.

It is a happy number.

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 564723983 - 2⁴ = 564723967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564723083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462823 + ... + 1463208.

It is an arithmetic number, because the mean of its divisors is an integer number (141912552).

Almost surely, 2^564723983 is an apocalyptic number.

564723983 is a deficient number, since it is larger than the sum of its proper divisors (2926225).

564723983 is a wasteful number, since it uses less digits than its factorization.

564723983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926224.

The product of its digits is 1088640, while the sum is 47.

The square root of 564723983 is about 23763.9218775016. The cubic root of 564723983 is about 826.5682971493.

The spelling of 564723983 in words is "five hundred sixty-four million, seven hundred twenty-three thousand, nine hundred eighty-three".