21233200230 has 96 divisors (see below), whose sum is σ = 60251143680. Its totient is φ = 5145215040.

The previous prime is 21233200217. The next prime is 21233200259. The reversal of 21233200230 is 3200233212.

It is a happy number.

21233200230 is a `hidden beast` number, since 2 + 1 + 233 + 200 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4293139 + ... + 4298081.

It is an arithmetic number, because the mean of its divisors is an integer number (627616080).

Almost surely, 2^21233200230 is an apocalyptic number.

21233200230 is an abundant number, since it is smaller than the sum of its proper divisors (39017943450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233200230 is a wasteful number, since it uses less digits than its factorization.

21233200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 21233200230 its reverse (3200233212), we get a palindrome (24433433442).

The spelling of 21233200230 in words is "twenty-one billion, two hundred thirty-three million, two hundred thousand, two hundred thirty".