223434563 has 4 divisors (see below), whose sum is σ = 243746808. Its totient is φ = 203122320.

The previous prime is 223434559. The next prime is 223434583. The reversal of 223434563 is 365434322.

223434563 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 223434563 - 2² = 223434559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223434583) 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, 10156106 + ... + 10156127.

It is an arithmetic number, because the mean of its divisors is an integer number (60936702).

Almost surely, 2^223434563 is an apocalyptic number.

223434563 is a deficient number, since it is larger than the sum of its proper divisors (20312245).

223434563 is a wasteful number, since it uses less digits than its factorization.

223434563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312244.

The product of its digits is 51840, while the sum is 32.

The square root of 223434563 is about 14947.7276868426. The cubic root of 223434563 is about 606.8063519606.

Adding to 223434563 its reverse (365434322), we get a palindrome (588868885).

The spelling of 223434563 in words is "two hundred twenty-three million, four hundred thirty-four thousand, five hundred sixty-three".