201322021223 has 2 divisors, whose sum is σ = 201322021224. Its totient is φ = 201322021222.

The previous prime is 201322021217. The next prime is 201322021231. The reversal of 201322021223 is 322120223102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201322021223 - 2²⁸ = 201053585767 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 201322021195 and 201322021204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201322021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661010611 + 100661010612.

It is an arithmetic number, because the mean of its divisors is an integer number (100661010612).

Almost surely, 2^201322021223 is an apocalyptic number.

201322021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

201322021223 is an equidigital number, since it uses as much as digits as its factorization.

201322021223 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 201322021223 its reverse (322120223102), we get a palindrome (523442244325).

The spelling of 201322021223 in words is "two hundred one billion, three hundred twenty-two million, twenty-one thousand, two hundred twenty-three".