230385691 has 2 divisors, whose sum is σ = 230385692. Its totient is φ = 230385690.

The previous prime is 230385677. The next prime is 230385703. The reversal of 230385691 is 196583032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230385691 - 2⁷ = 230385563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230385691.

It is not a weakly prime, because it can be changed into another prime (230385611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115192845 + 115192846.

It is an arithmetic number, because the mean of its divisors is an integer number (115192846).

Almost surely, 2^230385691 is an apocalyptic number.

230385691 is a deficient number, since it is larger than the sum of its proper divisors (1).

230385691 is an equidigital number, since it uses as much as digits as its factorization.

230385691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 230385691 is about 15178.4614174165. The cubic root of 230385691 is about 613.0348545391.

The spelling of 230385691 in words is "two hundred thirty million, three hundred eighty-five thousand, six hundred ninety-one".