230242409 has 4 divisors (see below), whose sum is σ = 230326404. Its totient is φ = 230158416.

The previous prime is 230242381. The next prime is 230242433. The reversal of 230242409 is 904242032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36336784 + 193905625 = 6028^2 + 13925^2 .

It is a cyclic number.

It is not a de Polignac number, because 230242409 - 2⁸ = 230242153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230242459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37742 + ... + 43415.

It is an arithmetic number, because the mean of its divisors is an integer number (57581601).

Almost surely, 2^230242409 is an apocalyptic number.

It is an amenable number.

230242409 is a deficient number, since it is larger than the sum of its proper divisors (83995).

230242409 is an equidigital number, since it uses as much as digits as its factorization.

230242409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83994.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 230242409 is about 15173.7407714775. The cubic root of 230242409 is about 612.9077415007.

The spelling of 230242409 in words is "two hundred thirty million, two hundred forty-two thousand, four hundred nine".