223961239 has 2 divisors, whose sum is σ = 223961240. Its totient is φ = 223961238.

The previous prime is 223961233. The next prime is 223961249. The reversal of 223961239 is 932169322.

223961239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223961239 - 2⁵ = 223961207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223961198 and 223961207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223961233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111980619 + 111980620.

It is an arithmetic number, because the mean of its divisors is an integer number (111980620).

Almost surely, 2^223961239 is an apocalyptic number.

223961239 is a deficient number, since it is larger than the sum of its proper divisors (1).

223961239 is an equidigital number, since it uses as much as digits as its factorization.

223961239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 223961239 is about 14965.3345769482. The cubic root of 223961239 is about 607.2827622279.

The spelling of 223961239 in words is "two hundred twenty-three million, nine hundred sixty-one thousand, two hundred thirty-nine".