21043024230 has 32 divisors (see below), whose sum is σ = 50518713600. Its totient is φ = 5609755872.

The previous prime is 21043024199. The next prime is 21043024243. The reversal of 21043024230 is 3242034012.

It is a junction number, because it is equal to n+sod(n) for n = 21043024197 and 21043024206.

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, 6100 + ... + 205239.

It is an arithmetic number, because the mean of its divisors is an integer number (1578709800).

Almost surely, 2^21043024230 is an apocalyptic number.

21043024230 is an abundant number, since it is smaller than the sum of its proper divisors (29475689370).

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

21043024230 is a wasteful number, since it uses less digits than its factorization.

21043024230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214668.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21043024230 its reverse (3242034012), we get a palindrome (24285058242).

The spelling of 21043024230 in words is "twenty-one billion, forty-three million, twenty-four thousand, two hundred thirty".