223663361 has 4 divisors (see below), whose sum is σ = 224308272. Its totient is φ = 223018452.

The previous prime is 223663351. The next prime is 223663369. The reversal of 223663361 is 163366322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223663361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223663369) 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, 321935 + ... + 322628.

It is an arithmetic number, because the mean of its divisors is an integer number (56077068).

Almost surely, 2^223663361 is an apocalyptic number.

It is an amenable number.

223663361 is a deficient number, since it is larger than the sum of its proper divisors (644911).

223663361 is an equidigital number, since it uses as much as digits as its factorization.

223663361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644910.

The product of its digits is 23328, while the sum is 32.

The square root of 223663361 is about 14955.3789988753. The cubic root of 223663361 is about 607.0134054489.

The spelling of 223663361 in words is "two hundred twenty-three million, six hundred sixty-three thousand, three hundred sixty-one".