201202221323 has 2 divisors, whose sum is σ = 201202221324. Its totient is φ = 201202221322.

The previous prime is 201202221251. The next prime is 201202221383. The reversal of 201202221323 is 323122202102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201202221323 - 2²⁰ = 201201172747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201202221295 and 201202221304.

It is not a weakly prime, because it can be changed into another prime (201202221383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601110661 + 100601110662.

It is an arithmetic number, because the mean of its divisors is an integer number (100601110662).

Almost surely, 2^201202221323 is an apocalyptic number.

201202221323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202221323 is an equidigital number, since it uses as much as digits as its factorization.

201202221323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201202221323 its reverse (323122202102), we get a palindrome (524324423425).

The spelling of 201202221323 in words is "two hundred one billion, two hundred two million, two hundred twenty-one thousand, three hundred twenty-three".