230524821 has 12 divisors (see below), whose sum is σ = 334376640. Its totient is φ = 153038760.

The previous prime is 230524807. The next prime is 230524843. The reversal of 230524821 is 128425032.

It is not a de Polignac number, because 230524821 - 2⁶ = 230524757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230524871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51435 + ... + 55736.

It is an arithmetic number, because the mean of its divisors is an integer number (27864720).

Almost surely, 2^230524821 is an apocalyptic number.

It is an amenable number.

230524821 is a deficient number, since it is larger than the sum of its proper divisors (103851819).

230524821 is a wasteful number, since it uses less digits than its factorization.

230524821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107416 (or 107413 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 230524821 is about 15183.0438647855. The cubic root of 230524821 is about 613.1582336944.

Adding to 230524821 its reverse (128425032), we get a palindrome (358949853).

The spelling of 230524821 in words is "two hundred thirty million, five hundred twenty-four thousand, eight hundred twenty-one".