230840459 has 2 divisors, whose sum is σ = 230840460. Its totient is φ = 230840458.

The previous prime is 230840429. The next prime is 230840543. The reversal of 230840459 is 954048032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230840459 - 2¹⁶ = 230774923 is a prime.

It is a super-2 number, since 2×230840459² = 106574635022661362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230840429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115420229 + 115420230.

It is an arithmetic number, because the mean of its divisors is an integer number (115420230).

Almost surely, 2^230840459 is an apocalyptic number.

230840459 is a deficient number, since it is larger than the sum of its proper divisors (1).

230840459 is an equidigital number, since it uses as much as digits as its factorization.

230840459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 230840459 is about 15193.4347334630. The cubic root of 230840459 is about 613.4379545130.

The spelling of 230840459 in words is "two hundred thirty million, eight hundred forty thousand, four hundred fifty-nine".