323116563 has 16 divisors (see below), whose sum is σ = 537129216. Its totient is φ = 167852640.

The previous prime is 323116559. The next prime is 323116571. The reversal of 323116563 is 365611323.

It is a happy number.

It is not a de Polignac number, because 323116563 - 2² = 323116559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323116563.

It is not an unprimeable number, because it can be changed into a prime (323116513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699156 + ... + 699617.

It is an arithmetic number, because the mean of its divisors is an integer number (33570576).

Almost surely, 2^323116563 is an apocalyptic number.

323116563 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

323116563 is a deficient number, since it is larger than the sum of its proper divisors (214012653).

323116563 is a wasteful number, since it uses less digits than its factorization.

323116563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398794.

The product of its digits is 9720, while the sum is 30.

The square root of 323116563 is about 17975.4433325023. The cubic root of 323116563 is about 686.2037285864.

Adding to 323116563 its reverse (365611323), we get a palindrome (688727886).

It can be divided in two parts, 323 and 116563, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 323116563 in words is "three hundred twenty-three million, one hundred sixteen thousand, five hundred sixty-three".