21330043422223 has 8 divisors (see below), whose sum is σ = 21403048590000. Its totient is φ = 21257039659008.

The previous prime is 21330043422169. The next prime is 21330043422239. The reversal of 21330043422223 is 32222434003312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21330043422223 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 (21330043422253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36776463 + ... + 37351951.

It is an arithmetic number, because the mean of its divisors is an integer number (2675381073750).

Almost surely, 2^{21330043422223} is an apocalyptic number.

21330043422223 is a deficient number, since it is larger than the sum of its proper divisors (73005167777).

21330043422223 is a wasteful number, since it uses less digits than its factorization.

21330043422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702281.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 21330043422223 its reverse (32222434003312), we get a palindrome (53552477425535).

The spelling of 21330043422223 in words is "twenty-one trillion, three hundred thirty billion, forty-three million, four hundred twenty-two thousand, two hundred twenty-three".