201220012320023 has 2 divisors, whose sum is σ = 201220012320024. Its totient is φ = 201220012320022.

The previous prime is 201220012320001. The next prime is 201220012320037. The reversal of 201220012320023 is 320023210022102.

It is a happy number.

201220012320023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201220012320023 - 2¹⁰ = 201220012318999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201220012319977 and 201220012320004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220012320053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610006160011 + 100610006160012.

It is an arithmetic number, because the mean of its divisors is an integer number (100610006160012).

Almost surely, 2^{201220012320023} is an apocalyptic number.

201220012320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220012320023 is an equidigital number, since it uses as much as digits as its factorization.

201220012320023 is an evil number, because the sum of its binary digits is even.

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

Adding to 201220012320023 its reverse (320023210022102), we get a palindrome (521243222342125).

The spelling of 201220012320023 in words is "two hundred one trillion, two hundred twenty billion, twelve million, three hundred twenty thousand, twenty-three".