232230091 has 4 divisors (see below), whose sum is σ = 232575832. Its totient is φ = 231884352.

The previous prime is 232230073. The next prime is 232230113. The reversal of 232230091 is 190032232.

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 232230091 - 2¹¹ = 232228043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232234091) 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 in 3 ways as a sum of consecutive naturals, for example, 171861 + ... + 173206.

It is an arithmetic number, because the mean of its divisors is an integer number (58143958).

Almost surely, 2^232230091 is an apocalyptic number.

232230091 is a deficient number, since it is larger than the sum of its proper divisors (345741).

232230091 is an equidigital number, since it uses as much as digits as its factorization.

232230091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345740.

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

The square root of 232230091 is about 15239.0974470275. The cubic root of 232230091 is about 614.6664337811. Note that the first 3 decimals are identical.

The spelling of 232230091 in words is "two hundred thirty-two million, two hundred thirty thousand, ninety-one".