230491807 has 16 divisors (see below), whose sum is σ = 289723392. Its totient is φ = 178483680.

The previous prime is 230491801. The next prime is 230491813. The reversal of 230491807 is 708194032.

It is an interprime number because it is at equal distance from previous prime (230491801) and next prime (230491813).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230491807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230491801) 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 in 15 ways as a sum of consecutive naturals, for example, 22669 + ... + 31222.

It is an arithmetic number, because the mean of its divisors is an integer number (18107712).

Almost surely, 2^230491807 is an apocalyptic number.

230491807 is a deficient number, since it is larger than the sum of its proper divisors (59231585).

230491807 is a wasteful number, since it uses less digits than its factorization.

230491807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53958.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 230491807 is about 15181.9566262060. The cubic root of 230491807 is about 613.1289616877.

The spelling of 230491807 in words is "two hundred thirty million, four hundred ninety-one thousand, eight hundred seven".