223398239 has 2 divisors, whose sum is σ = 223398240. Its totient is φ = 223398238.

The previous prime is 223398229. The next prime is 223398251. The reversal of 223398239 is 932893322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223398239 is a prime.

It is a super-3 number, since 3×223398239³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 223398196 and 223398205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223398229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111699119 + 111699120.

It is an arithmetic number, because the mean of its divisors is an integer number (111699120).

Almost surely, 2^223398239 is an apocalyptic number.

223398239 is a deficient number, since it is larger than the sum of its proper divisors (1).

223398239 is an equidigital number, since it uses as much as digits as its factorization.

223398239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 223398239 is about 14946.5126032797. The cubic root of 223398239 is about 606.7734671222.

The spelling of 223398239 in words is "two hundred twenty-three million, three hundred ninety-eight thousand, two hundred thirty-nine".