230043311 has 2 divisors, whose sum is σ = 230043312. Its totient is φ = 230043310.

The previous prime is 230043299. The next prime is 230043313. The reversal of 230043311 is 113340032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230043311 is a prime.

Together with 230043313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230043311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230043313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115021655 + 115021656.

It is an arithmetic number, because the mean of its divisors is an integer number (115021656).

Almost surely, 2^230043311 is an apocalyptic number.

230043311 is a deficient number, since it is larger than the sum of its proper divisors (1).

230043311 is an equidigital number, since it uses as much as digits as its factorization.

230043311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230043311 is about 15167.1787422711. The cubic root of 230043311 is about 612.7310235551.

Adding to 230043311 its reverse (113340032), we get a palindrome (343383343).

The spelling of 230043311 in words is "two hundred thirty million, forty-three thousand, three hundred eleven".