223163305563 has 16 divisors (see below), whose sum is σ = 325221849216. Its totient is φ = 134991872640.

The previous prime is 223163305537. The next prime is 223163305597. The reversal of 223163305563 is 365503361322.

It is a happy number.

It is not a de Polignac number, because 223163305563 - 2⁸ = 223163305307 is a prime.

It is a super-3 number, since 3×223163305563³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223163305363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6447870 + ... + 6482387.

It is an arithmetic number, because the mean of its divisors is an integer number (20326365576).

Almost surely, 2^223163305563 is an apocalyptic number.

223163305563 is a deficient number, since it is larger than the sum of its proper divisors (102058543653).

223163305563 is a wasteful number, since it uses less digits than its factorization.

223163305563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930794.

The product of its (nonzero) digits is 291600, while the sum is 39.

Adding to 223163305563 its reverse (365503361322), we get a palindrome (588666666885).

The spelling of 223163305563 in words is "two hundred twenty-three billion, one hundred sixty-three million, three hundred five thousand, five hundred sixty-three".