230058991 has 2 divisors, whose sum is σ = 230058992. Its totient is φ = 230058990.

The previous prime is 230058971. The next prime is 230059009. The reversal of 230058991 is 199850032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230058991 - 2⁷ = 230058863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230058991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230058971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115029495 + 115029496.

It is an arithmetic number, because the mean of its divisors is an integer number (115029496).

Almost surely, 2^230058991 is an apocalyptic number.

230058991 is a deficient number, since it is larger than the sum of its proper divisors (1).

230058991 is an equidigital number, since it uses as much as digits as its factorization.

230058991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 230058991 is about 15167.6956390877. The cubic root of 230058991 is about 612.7449447078.

The spelling of 230058991 in words is "two hundred thirty million, fifty-eight thousand, nine hundred ninety-one".