21223201232333 has 4 divisors (see below), whose sum is σ = 21307755819168. Its totient is φ = 21138646645500.

The previous prime is 21223201232323. The next prime is 21223201232411. The reversal of 21223201232333 is 33323210232212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21223201232333 - 2²⁶ = 21223134123469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21223201232296 and 21223201232305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223201232323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42277293041 + ... + 42277293542.

It is an arithmetic number, because the mean of its divisors is an integer number (5326938954792).

Almost surely, 2^{21223201232333} is an apocalyptic number.

It is an amenable number.

21223201232333 is a deficient number, since it is larger than the sum of its proper divisors (84554586835).

21223201232333 is an equidigital number, since it uses as much as digits as its factorization.

21223201232333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84554586834.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21223201232333 its reverse (33323210232212), we get a palindrome (54546411464545).

The spelling of 21223201232333 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred one million, two hundred thirty-two thousand, three hundred thirty-three".