230857349 has 4 divisors (see below), whose sum is σ = 230958636. Its totient is φ = 230756064.

The previous prime is 230857343. The next prime is 230857351. The reversal of 230857349 is 943758032.

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 99640324 + 131217025 = 9982^2 + 11455^2 .

It is a cyclic number.

It is not a de Polignac number, because 230857349 - 2²⁰ = 229808773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230857343) 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 in 3 ways as a sum of consecutive naturals, for example, 47144 + ... + 51809.

It is an arithmetic number, because the mean of its divisors is an integer number (57739659).

Almost surely, 2^230857349 is an apocalyptic number.

It is an amenable number.

230857349 is a deficient number, since it is larger than the sum of its proper divisors (101287).

230857349 is an equidigital number, since it uses as much as digits as its factorization.

230857349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101286.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 230857349 is about 15193.9905554795. The cubic root of 230857349 is about 613.4529153715.

The spelling of 230857349 in words is "two hundred thirty million, eight hundred fifty-seven thousand, three hundred forty-nine".