230902187 has 2 divisors, whose sum is σ = 230902188. Its totient is φ = 230902186.

The previous prime is 230902183. The next prime is 230902241. The reversal of 230902187 is 781209032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230902187 - 2² = 230902183 is a prime.

It is a super-2 number, since 2×230902187² = 106631639922765938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230902181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115451093 + 115451094.

It is an arithmetic number, because the mean of its divisors is an integer number (115451094).

Almost surely, 2^230902187 is an apocalyptic number.

230902187 is a deficient number, since it is larger than the sum of its proper divisors (1).

230902187 is an equidigital number, since it uses as much as digits as its factorization.

230902187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 230902187 is about 15195.4660014098. The cubic root of 230902187 is about 613.4926285268.

The spelling of 230902187 in words is "two hundred thirty million, nine hundred two thousand, one hundred eighty-seven".