230443231 has 2 divisors, whose sum is σ = 230443232. Its totient is φ = 230443230.

The previous prime is 230443207. The next prime is 230443253. The reversal of 230443231 is 132344032.

It is a happy number.

It is an a-pointer prime, because the next prime (230443253) can be obtained adding 230443231 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230443231 - 2¹³ = 230435039 is a prime.

It is a super-2 number, since 2×230443231² = 106208165427438722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230441231) 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, 115221615 + 115221616.

It is an arithmetic number, because the mean of its divisors is an integer number (115221616).

Almost surely, 2^230443231 is an apocalyptic number.

230443231 is a deficient number, since it is larger than the sum of its proper divisors (1).

230443231 is an equidigital number, since it uses as much as digits as its factorization.

230443231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 230443231 is about 15180.3567481137. The cubic root of 230443231 is about 613.0858864835.

Adding to 230443231 its reverse (132344032), we get a palindrome (362787263).

The spelling of 230443231 in words is "two hundred thirty million, four hundred forty-three thousand, two hundred thirty-one".