223641223 has 16 divisors (see below), whose sum is σ = 250177536. Its totient is φ = 198522720.

The previous prime is 223641217. The next prime is 223641227. The reversal of 223641223 is 322146322.

It is a cyclic number.

It is not a de Polignac number, because 223641223 - 2¹⁷ = 223510151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223641227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65640 + ... + 68962.

It is an arithmetic number, because the mean of its divisors is an integer number (15636096).

Almost surely, 2^223641223 is an apocalyptic number.

223641223 is a deficient number, since it is larger than the sum of its proper divisors (26536313).

223641223 is a wasteful number, since it uses less digits than its factorization.

223641223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its digits is 3456, while the sum is 25.

The square root of 223641223 is about 14954.6388455221. The cubic root of 223641223 is about 606.9933775730.

Adding to 223641223 its reverse (322146322), we get a palindrome (545787545).

The spelling of 223641223 in words is "two hundred twenty-three million, six hundred forty-one thousand, two hundred twenty-three".