230187193 has 2 divisors, whose sum is σ = 230187194. Its totient is φ = 230187192.

The previous prime is 230187179. The next prime is 230187227. The reversal of 230187193 is 391781032.

230187193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (230187227) can be obtained adding 230187193 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225810729 + 4376464 = 15027^2 + 2092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230187193 is a prime.

It is a super-2 number, since 2×230187193² = 105972287642438498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230187163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115093596 + 115093597.

It is an arithmetic number, because the mean of its divisors is an integer number (115093597).

Almost surely, 2^230187193 is an apocalyptic number.

It is an amenable number.

230187193 is a deficient number, since it is larger than the sum of its proper divisors (1).

230187193 is an equidigital number, since it uses as much as digits as its factorization.

230187193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 230187193 is about 15171.9212033282. The cubic root of 230187193 is about 612.8587423904.

The spelling of 230187193 in words is "two hundred thirty million, one hundred eighty-seven thousand, one hundred ninety-three".