223531563 has 8 divisors (see below), whose sum is σ = 298176400. Its totient is φ = 148953888.

The previous prime is 223531559. The next prime is 223531571. The reversal of 223531563 is 365135322.

223531563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223531563 - 2² = 223531559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223531563.

It is not an unprimeable number, because it can be changed into a prime (223531513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8428 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (37272050).

Almost surely, 2^223531563 is an apocalyptic number.

223531563 is a deficient number, since it is larger than the sum of its proper divisors (74644837).

223531563 is a wasteful number, since it uses less digits than its factorization.

223531563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33581.

The product of its digits is 16200, while the sum is 30.

The square root of 223531563 is about 14950.9719750925. The cubic root of 223531563 is about 606.8941505233.

Adding to 223531563 its reverse (365135322), we get a palindrome (588666885).

The spelling of 223531563 in words is "two hundred twenty-three million, five hundred thirty-one thousand, five hundred sixty-three".