223563 has 4 divisors (see below), whose sum is σ = 298088. Its totient is φ = 149040.

The previous prime is 223549. The next prime is 223577. The reversal of 223563 is 365322.

223563 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (223549) and next prime (223577).

It is not a de Polignac number, because 223563 - 2⁴ = 223547 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 5⁷ + 3³ + 6⁵ + 3⁸ .

It is a D-number.

It is a Duffinian number.

223563 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (223543) 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, 37258 + ... + 37263.

It is an arithmetic number, because the mean of its divisors is an integer number (74522).

2²²³⁵⁶³ is an apocalyptic number.

223563 is a deficient number, since it is larger than the sum of its proper divisors (74525).

223563 is an equidigital number, since it uses as much as digits as its factorization.

223563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74524.

The product of its digits is 1080, while the sum is 21.

The square root of 223563 is about 472.8244917514. The cubic root of 223563 is about 60.6922599954.

Adding to 223563 its reverse (365322), we get a palindrome (588885).

The spelling of 223563 in words is "two hundred twenty-three thousand, five hundred sixty-three".