230642219 has 2 divisors, whose sum is σ = 230642220. Its totient is φ = 230642218.

The previous prime is 230642177. The next prime is 230642221. The reversal of 230642219 is 912246032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230642219 - 2⁸ = 230641963 is a prime.

It is a super-2 number, since 2×230642219² = 106391666370487922, which contains 22 as substring.

Together with 230642221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230642191 and 230642200.

It is not a weakly prime, because it can be changed into another prime (230642119) 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, 115321109 + 115321110.

It is an arithmetic number, because the mean of its divisors is an integer number (115321110).

Almost surely, 2^230642219 is an apocalyptic number.

230642219 is a deficient number, since it is larger than the sum of its proper divisors (1).

230642219 is an equidigital number, since it uses as much as digits as its factorization.

230642219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 230642219 is about 15186.9094617700. The cubic root of 230642219 is about 613.2623025085.

The spelling of 230642219 in words is "two hundred thirty million, six hundred forty-two thousand, two hundred nineteen".