21322323200233 has 4 divisors (see below), whose sum is σ = 23260716218448. Its totient is φ = 19383930182020.

The previous prime is 21322323200221. The next prime is 21322323200291. The reversal of 21322323200233 is 33200232322312.

It is a happy number.

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 21322323200233 - 2³⁷ = 21184884246761 is a prime.

It is a super-2 number, since 2×21322323200233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322323200293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969196509091 + ... + 969196509112.

It is an arithmetic number, because the mean of its divisors is an integer number (5815179054612).

Almost surely, 2^{21322323200233} is an apocalyptic number.

It is an amenable number.

21322323200233 is a deficient number, since it is larger than the sum of its proper divisors (1938393018215).

21322323200233 is a wasteful number, since it uses less digits than its factorization.

21322323200233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938393018214.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 21322323200233 its reverse (33200232322312), we get a palindrome (54522555522545).

The spelling of 21322323200233 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred twenty-three million, two hundred thousand, two hundred thirty-three".