230091 has 4 divisors (see below), whose sum is σ = 306792. Its totient is φ = 153392.

The previous prime is 230089. The next prime is 230101. The reversal of 230091 is 190032.

230091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230091 - 2¹ = 230089 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 230091.

It is not an unprimeable number, because it can be changed into a prime (230081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38346 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (76698).

2²³⁰⁰⁹¹ is an apocalyptic number.

230091 is a deficient number, since it is larger than the sum of its proper divisors (76701).

230091 is an equidigital number, since it uses as much as digits as its factorization.

230091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76700.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 230091 is about 479.6780170072. The cubic root of 230091 is about 61.2773361250.

The spelling of 230091 in words is "two hundred thirty thousand, ninety-one".