200323213221 has 4 divisors (see below), whose sum is σ = 267097617632. Its totient is φ = 133548808812.

The previous prime is 200323213219. The next prime is 200323213243. The reversal of 200323213221 is 122312323002.

It is a happy number.

200323213221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 200323213221 - 2¹ = 200323213219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200323213421) 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, 33387202201 + ... + 33387202206.

It is an arithmetic number, because the mean of its divisors is an integer number (66774404408).

Almost surely, 2^200323213221 is an apocalyptic number.

It is an amenable number.

200323213221 is a deficient number, since it is larger than the sum of its proper divisors (66774404411).

200323213221 is an equidigital number, since it uses as much as digits as its factorization.

200323213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66774404410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 200323213221 its reverse (122312323002), we get a palindrome (322635536223).

The spelling of 200323213221 in words is "two hundred billion, three hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-one".