230307449 has 4 divisors (see below), whose sum is σ = 243854964. Its totient is φ = 216759936.

The previous prime is 230307443. The next prime is 230307509. The reversal of 230307449 is 944703032.

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 165585424 + 64722025 = 12868^2 + 8045^2 .

It is a cyclic number.

It is not a de Polignac number, because 230307449 - 2⁸ = 230307193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230307443) 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 3 ways as a sum of consecutive naturals, for example, 6773732 + ... + 6773765.

It is an arithmetic number, because the mean of its divisors is an integer number (60963741).

Almost surely, 2^230307449 is an apocalyptic number.

It is an amenable number.

230307449 is a deficient number, since it is larger than the sum of its proper divisors (13547515).

230307449 is a wasteful number, since it uses less digits than its factorization.

230307449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13547514.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 230307449 is about 15175.8837963395. The cubic root of 230307449 is about 612.9654484578.

The spelling of 230307449 in words is "two hundred thirty million, three hundred seven thousand, four hundred forty-nine".