223325231 has 2 divisors, whose sum is σ = 223325232. Its totient is φ = 223325230.

The previous prime is 223325213. The next prime is 223325257. The reversal of 223325231 is 132523322.

Together with previous prime (223325213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223325231 is a prime.

It is a super-2 number, since 2×223325231² = 99748317602406722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 223325197 and 223325206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223325261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111662615 + 111662616.

It is an arithmetic number, because the mean of its divisors is an integer number (111662616).

Almost surely, 2^223325231 is an apocalyptic number.

223325231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223325231 is an equidigital number, since it uses as much as digits as its factorization.

223325231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 223325231 is about 14944.0700948570. The cubic root of 223325231 is about 606.7073607462.

Adding to 223325231 its reverse (132523322), we get a palindrome (355848553).

The spelling of 223325231 in words is "two hundred twenty-three million, three hundred twenty-five thousand, two hundred thirty-one".