230528871 has 12 divisors (see below), whose sum is σ = 338630760. Its totient is φ = 151080720.

The previous prime is 230528869. The next prime is 230528887. The reversal of 230528871 is 178825032.

230528871 is a `hidden beast` number, since 2 + 305 + 288 + 71 = 666.

It is not a de Polignac number, because 230528871 - 2¹ = 230528869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230528861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216540 + ... + 217601.

It is an arithmetic number, because the mean of its divisors is an integer number (28219230).

Almost surely, 2^230528871 is an apocalyptic number.

230528871 is a deficient number, since it is larger than the sum of its proper divisors (108101889).

230528871 is a wasteful number, since it uses less digits than its factorization.

230528871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434206 (or 434203 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 230528871 is about 15183.1772366656. The cubic root of 230528871 is about 613.1618244521.

The spelling of 230528871 in words is "two hundred thirty million, five hundred twenty-eight thousand, eight hundred seventy-one".