230212247 has 2 divisors, whose sum is σ = 230212248. Its totient is φ = 230212246.

The previous prime is 230212223. The next prime is 230212259. The reversal of 230212247 is 742212032.

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-230212247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230112247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115106123 + 115106124.

It is an arithmetic number, because the mean of its divisors is an integer number (115106124).

Almost surely, 2^230212247 is an apocalyptic number.

230212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

230212247 is an equidigital number, since it uses as much as digits as its factorization.

230212247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 230212247 is about 15172.7468508507. The cubic root of 230212247 is about 612.8809764770.

Adding to 230212247 its reverse (742212032), we get a palindrome (972424279).

The spelling of 230212247 in words is "two hundred thirty million, two hundred twelve thousand, two hundred forty-seven".