230309528 has 16 divisors (see below), whose sum is σ = 435128760. Its totient is φ = 114275200.

The previous prime is 230309501. The next prime is 230309531. The reversal of 230309528 is 825903032.

It is a junction number, because it is equal to n+sod(n) for n = 230309494 and 230309503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108833 + ... + 110928.

Almost surely, 2^230309528 is an apocalyptic number.

It is an amenable number.

230309528 is a deficient number, since it is larger than the sum of its proper divisors (204819232).

230309528 is a wasteful number, since it uses less digits than its factorization.

230309528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219898 (or 219894 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 230309528 is about 15175.9522930194. The cubic root of 230309528 is about 612.9672928783.

The spelling of 230309528 in words is "two hundred thirty million, three hundred nine thousand, five hundred twenty-eight".