563921277323 has 4 divisors (see below), whose sum is σ = 583366838640. Its totient is φ = 544475716008.

The previous prime is 563921277319. The next prime is 563921277347. The reversal of 563921277323 is 323772129365.

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 563921277323 - 2² = 563921277319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563921277523) 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, 9722780615 + ... + 9722780672.

It is an arithmetic number, because the mean of its divisors is an integer number (145841709660).

Almost surely, 2^563921277323 is an apocalyptic number.

563921277323 is a deficient number, since it is larger than the sum of its proper divisors (19445561317).

563921277323 is a wasteful number, since it uses less digits than its factorization.

563921277323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445561316.

The product of its digits is 2857680, while the sum is 50.

The spelling of 563921277323 in words is "five hundred sixty-three billion, nine hundred twenty-one million, two hundred seventy-seven thousand, three hundred twenty-three".