21323300330223 has 12 divisors (see below), whose sum is σ = 30818777078440. Its totient is φ = 14207016147696.

The previous prime is 21323300330221. The next prime is 21323300330237. The reversal of 21323300330223 is 32203300332312.

21323300330223 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 3 + 300 + 330 + 2 + 23 = 666.

It is not a de Polignac number, because 21323300330223 - 2¹ = 21323300330221 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 (21323300330221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709767961 + ... + 709798002.

Almost surely, 2^{21323300330223} is an apocalyptic number.

21323300330223 is a deficient number, since it is larger than the sum of its proper divisors (9495476748217).

21323300330223 is a wasteful number, since it uses less digits than its factorization.

21323300330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419567638 (or 1419567635 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 21323300330223 its reverse (32203300332312), we get a palindrome (53526600662535).

The spelling of 21323300330223 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred million, three hundred thirty thousand, two hundred twenty-three".