223031223 has 6 divisors (see below), whose sum is σ = 322156224. Its totient is φ = 148687476.

The previous prime is 223031203. The next prime is 223031233. The reversal of 223031223 is 322130322.

It is a happy number.

It is not a de Polignac number, because 223031223 - 2¹⁷ = 222900151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223031196 and 223031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12390615 + ... + 12390632.

It is an arithmetic number, because the mean of its divisors is an integer number (53692704).

Almost surely, 2^223031223 is an apocalyptic number.

223031223 is a deficient number, since it is larger than the sum of its proper divisors (99125001).

223031223 is a wasteful number, since it uses less digits than its factorization.

223031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24781253 (or 24781250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 223031223 is about 14934.2299098414. The cubic root of 223031223 is about 606.4410001086.

Adding to 223031223 its reverse (322130322), we get a palindrome (545161545).

Subtracting 223031223 from its reverse (322130322), we obtain a palindrome (99099099).

The spelling of 223031223 in words is "two hundred twenty-three million, thirty-one thousand, two hundred twenty-three".