223365239 has 2 divisors, whose sum is σ = 223365240. Its totient is φ = 223365238.

The previous prime is 223365157. The next prime is 223365271. The reversal of 223365239 is 932563322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223365239 is a prime.

It is a Chen prime.

It is equal to p_12297806 and since 223365239 and 12297806 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 223365199 and 223365208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223365299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111682619 + 111682620.

It is an arithmetic number, because the mean of its divisors is an integer number (111682620).

Almost surely, 2^223365239 is an apocalyptic number.

223365239 is a deficient number, since it is larger than the sum of its proper divisors (1).

223365239 is an equidigital number, since it uses as much as digits as its factorization.

223365239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 35.

The square root of 223365239 is about 14945.4086260631. The cubic root of 223365239 is about 606.7435884766.

The spelling of 223365239 in words is "two hundred twenty-three million, three hundred sixty-five thousand, two hundred thirty-nine".