230021524 has 24 divisors (see below), whose sum is σ = 424219040. Its totient is φ = 108830304.

The previous prime is 230021503. The next prime is 230021527. The reversal of 230021524 is 425120032.

230021524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230021527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109387 + ... + 111469.

Almost surely, 2^230021524 is an apocalyptic number.

It is an amenable number.

230021524 is a deficient number, since it is larger than the sum of its proper divisors (194197516).

230021524 is a wasteful number, since it uses less digits than its factorization.

230021524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230021524 is about 15166.4604967672. The cubic root of 230021524 is about 612.7116793829.

Adding to 230021524 its reverse (425120032), we get a palindrome (655141556).

The spelling of 230021524 in words is "two hundred thirty million, twenty-one thousand, five hundred twenty-four".