230287237 has 2 divisors, whose sum is σ = 230287238. Its totient is φ = 230287236.

The previous prime is 230287217. The next prime is 230287307. The reversal of 230287237 is 732782032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189723076 + 40564161 = 13774^2 + 6369^2 .

It is a cyclic number.

It is not a de Polignac number, because 230287237 - 2²⁷ = 96069509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230287217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115143618 + 115143619.

It is an arithmetic number, because the mean of its divisors is an integer number (115143619).

Almost surely, 2^230287237 is an apocalyptic number.

It is an amenable number.

230287237 is a deficient number, since it is larger than the sum of its proper divisors (1).

230287237 is an equidigital number, since it uses as much as digits as its factorization.

230287237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 230287237 is about 15175.2178567558. The cubic root of 230287237 is about 612.9475164570.

The spelling of 230287237 in words is "two hundred thirty million, two hundred eighty-seven thousand, two hundred thirty-seven".