230131243 has 2 divisors, whose sum is σ = 230131244. Its totient is φ = 230131242.

The previous prime is 230131241. The next prime is 230131267. The reversal of 230131243 is 342131032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230131243 - 2¹ = 230131241 is a prime.

Together with 230131241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 230131243.

It is not a weakly prime, because it can be changed into another prime (230131241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065621 + 115065622.

It is an arithmetic number, because the mean of its divisors is an integer number (115065622).

Almost surely, 2^230131243 is an apocalyptic number.

230131243 is a deficient number, since it is larger than the sum of its proper divisors (1).

230131243 is an equidigital number, since it uses as much as digits as its factorization.

230131243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 230131243 is about 15170.0772245892. The cubic root of 230131243 is about 612.8090839295.

Adding to 230131243 its reverse (342131032), we get a palindrome (572262275).

The spelling of 230131243 in words is "two hundred thirty million, one hundred thirty-one thousand, two hundred forty-three".