230765389 has 4 divisors (see below), whose sum is σ = 232314300. Its totient is φ = 229216480.

The previous prime is 230765387. The next prime is 230765413. The reversal of 230765389 is 983567032.

230765389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148718025 + 82047364 = 12195^2 + 9058^2 .

It is a cyclic number.

It is not a de Polignac number, because 230765389 - 2¹ = 230765387 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 (230765387) 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, 774232 + ... + 774529.

It is an arithmetic number, because the mean of its divisors is an integer number (58078575).

Almost surely, 2^230765389 is an apocalyptic number.

It is an amenable number.

230765389 is a deficient number, since it is larger than the sum of its proper divisors (1548911).

230765389 is a wasteful number, since it uses less digits than its factorization.

230765389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548910.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 230765389 is about 15190.9640576232. The cubic root of 230765389 is about 613.3714500243.

The spelling of 230765389 in words is "two hundred thirty million, seven hundred sixty-five thousand, three hundred eighty-nine".