230871729 has 16 divisors (see below), whose sum is σ = 336303360. Its totient is φ = 139718160.

The previous prime is 230871727. The next prime is 230871791. The reversal of 230871729 is 927178032.

230871729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230871729 - 2¹ = 230871727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230871727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19654 + ... + 29120.

It is an arithmetic number, because the mean of its divisors is an integer number (21018960).

Almost surely, 2^230871729 is an apocalyptic number.

It is an amenable number.

230871729 is a deficient number, since it is larger than the sum of its proper divisors (105431631).

230871729 is a wasteful number, since it uses less digits than its factorization.

230871729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 230871729 is about 15194.4637615152. The cubic root of 230871729 is about 613.4656523421.

The spelling of 230871729 in words is "two hundred thirty million, eight hundred seventy-one thousand, seven hundred twenty-nine".