562643023 has 4 divisors (see below), whose sum is σ = 568213848. Its totient is φ = 557072200.

The previous prime is 562643017. The next prime is 562643027. The reversal of 562643023 is 320346265.

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 562643023 - 2²¹ = 560545871 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562643027) 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, 2785261 + ... + 2785462.

It is an arithmetic number, because the mean of its divisors is an integer number (142053462).

Almost surely, 2^562643023 is an apocalyptic number.

562643023 is a deficient number, since it is larger than the sum of its proper divisors (5570825).

562643023 is a wasteful number, since it uses less digits than its factorization.

562643023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570824.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 562643023 is about 23720.0974492096. The cubic root of 562643023 is about 825.5517694861.

Adding to 562643023 its reverse (320346265), we get a palindrome (882989288).

The spelling of 562643023 in words is "five hundred sixty-two million, six hundred forty-three thousand, twenty-three".