230355911 has 2 divisors, whose sum is σ = 230355912. Its totient is φ = 230355910.

The previous prime is 230355887. The next prime is 230355919. The reversal of 230355911 is 119553032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230355911 - 2⁶ = 230355847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230355919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115177955 + 115177956.

It is an arithmetic number, because the mean of its divisors is an integer number (115177956).

Almost surely, 2^230355911 is an apocalyptic number.

230355911 is a deficient number, since it is larger than the sum of its proper divisors (1).

230355911 is an equidigital number, since it uses as much as digits as its factorization.

230355911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 230355911 is about 15177.4803903678. The cubic root of 230355911 is about 613.0084394659.

The spelling of 230355911 in words is "two hundred thirty million, three hundred fifty-five thousand, nine hundred eleven".