230430091 has 2 divisors, whose sum is σ = 230430092. Its totient is φ = 230430090.

The previous prime is 230430059. The next prime is 230430103. The reversal of 230430091 is 190034032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230430091 - 2⁵ = 230430059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230430041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115215045 + 115215046.

It is an arithmetic number, because the mean of its divisors is an integer number (115215046).

Almost surely, 2^230430091 is an apocalyptic number.

230430091 is a deficient number, since it is larger than the sum of its proper divisors (1).

230430091 is an equidigital number, since it uses as much as digits as its factorization.

230430091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 230430091 is about 15179.9239457910. The cubic root of 230430091 is about 613.0742334303.

The spelling of 230430091 in words is "two hundred thirty million, four hundred thirty thousand, ninety-one".