21233003230 has 32 divisors (see below), whose sum is σ = 40922327520. Its totient is φ = 7903779840.

The previous prime is 21233003189. The next prime is 21233003251. The reversal of 21233003230 is 3230033212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21233003198 and 21233003207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686556 + ... + 716815.

It is an arithmetic number, because the mean of its divisors is an integer number (1278822735).

Almost surely, 2^21233003230 is an apocalyptic number.

21233003230 is a deficient number, since it is larger than the sum of its proper divisors (19689324290).

21233003230 is a wasteful number, since it uses less digits than its factorization.

21233003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403484.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 21233003230 its reverse (3230033212), we get a palindrome (24463036442).

The spelling of 21233003230 in words is "twenty-one billion, two hundred thirty-three million, three thousand, two hundred thirty".