230466391 has 2 divisors, whose sum is σ = 230466392. Its totient is φ = 230466390.

The previous prime is 230466389. The next prime is 230466407. The reversal of 230466391 is 193664032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230466391 - 2¹ = 230466389 is a prime.

It is a super-2 number, since 2×230466391² = 106229514761129762, which contains 22 as substring.

Together with 230466389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230466191) 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, 115233195 + 115233196.

It is an arithmetic number, because the mean of its divisors is an integer number (115233196).

Almost surely, 2^230466391 is an apocalyptic number.

230466391 is a deficient number, since it is larger than the sum of its proper divisors (1).

230466391 is an equidigital number, since it uses as much as digits as its factorization.

230466391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 230466391 is about 15181.1195568706. The cubic root of 230466391 is about 613.1064245764.

The spelling of 230466391 in words is "two hundred thirty million, four hundred sixty-six thousand, three hundred ninety-one".