21232300303 has 8 divisors (see below), whose sum is σ = 22451780736. Its totient is φ = 20046230400.

The previous prime is 21232300289. The next prime is 21232300321. The reversal of 21232300303 is 30300323212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21232300303 - 2²¹ = 21230203151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232300333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8351326 + ... + 8353867.

It is an arithmetic number, because the mean of its divisors is an integer number (2806472592).

Almost surely, 2^21232300303 is an apocalyptic number.

21232300303 is a deficient number, since it is larger than the sum of its proper divisors (1219480433).

21232300303 is a wasteful number, since it uses less digits than its factorization.

21232300303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705265.

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

Adding to 21232300303 its reverse (30300323212), we get a palindrome (51532623515).

The spelling of 21232300303 in words is "twenty-one billion, two hundred thirty-two million, three hundred thousand, three hundred three".