230111243 has 2 divisors, whose sum is σ = 230111244. Its totient is φ = 230111242.

The previous prime is 230111239. The next prime is 230111267. The reversal of 230111243 is 342111032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230111243 - 2² = 230111239 is a prime.

It is not a weakly prime, because it can be changed into another prime (230111293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115055621 + 115055622.

It is an arithmetic number, because the mean of its divisors is an integer number (115055622).

Almost surely, 2^230111243 is an apocalyptic number.

230111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

230111243 is an equidigital number, since it uses as much as digits as its factorization.

230111243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 230111243 is about 15169.4180178410. The cubic root of 230111243 is about 612.7913309630.

Adding to 230111243 its reverse (342111032), we get a palindrome (572222275).

The spelling of 230111243 in words is "two hundred thirty million, one hundred eleven thousand, two hundred forty-three".