563979657323 has 2 divisors, whose sum is σ = 563979657324. Its totient is φ = 563979657322.

The previous prime is 563979657289. The next prime is 563979657389. The reversal of 563979657323 is 323756979365.

563979657323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563979657323 - 2¹⁶ = 563979591787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563979657323.

It is not a weakly prime, because it can be changed into another prime (563979657823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281989828661 + 281989828662.

It is an arithmetic number, because the mean of its divisors is an integer number (281989828662).

Almost surely, 2^563979657323 is an apocalyptic number.

563979657323 is a deficient number, since it is larger than the sum of its proper divisors (1).

563979657323 is an equidigital number, since it uses as much as digits as its factorization.

563979657323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192893400, while the sum is 65.

The spelling of 563979657323 in words is "five hundred sixty-three billion, nine hundred seventy-nine million, six hundred fifty-seven thousand, three hundred twenty-three".