230021432 has 16 divisors (see below), whose sum is σ = 434187000. Its totient is φ = 114238240.

The previous prime is 230021419. The next prime is 230021437. The reversal of 230021432 is 234120032.

It is a self number, because there is not a number n which added to its sum of digits gives 230021432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230021437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95294 + ... + 97677.

Almost surely, 2^230021432 is an apocalyptic number.

It is an amenable number.

230021432 is a deficient number, since it is larger than the sum of its proper divisors (204165568).

230021432 is a wasteful number, since it uses less digits than its factorization.

230021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193126 (or 193122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230021432 is about 15166.4574637586. The cubic root of 230021432 is about 612.7115976957.

Adding to 230021432 its reverse (234120032), we get a palindrome (464141464).

It can be divided in two parts, 2300 and 21432, that added together give a palindrome (23732).

The spelling of 230021432 in words is "two hundred thirty million, twenty-one thousand, four hundred thirty-two".