230871247 has 2 divisors, whose sum is σ = 230871248. Its totient is φ = 230871246.

The previous prime is 230871241. The next prime is 230871281. The reversal of 230871247 is 742178032.

It is an a-pointer prime, because the next prime (230871281) can be obtained adding 230871247 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230871247 - 2³ = 230871239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230871241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115435623 + 115435624.

It is an arithmetic number, because the mean of its divisors is an integer number (115435624).

Almost surely, 2^230871247 is an apocalyptic number.

230871247 is a deficient number, since it is larger than the sum of its proper divisors (1).

230871247 is an equidigital number, since it uses as much as digits as its factorization.

230871247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 230871247 is about 15194.4479004668. The cubic root of 230871247 is about 613.4652254230.

The spelling of 230871247 in words is "two hundred thirty million, eight hundred seventy-one thousand, two hundred forty-seven".