210023420213 has 2 divisors, whose sum is σ = 210023420214. Its totient is φ = 210023420212.

The previous prime is 210023420183. The next prime is 210023420227. The reversal of 210023420213 is 312024320012.

210023420213 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 can be written as a sum of positive squares in only one way, i.e., 188840655364 + 21182764849 = 434558^2 + 145543^2 .

It is a cyclic number.

It is not a de Polignac number, because 210023420213 - 2¹⁴ = 210023403829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210023420513) 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 as a sum of consecutive naturals, namely, 105011710106 + 105011710107.

It is an arithmetic number, because the mean of its divisors is an integer number (105011710107).

Almost surely, 2^210023420213 is an apocalyptic number.

It is an amenable number.

210023420213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210023420213 is an equidigital number, since it uses as much as digits as its factorization.

210023420213 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 210023420213 its reverse (312024320012), we get a palindrome (522047740225).

The spelling of 210023420213 in words is "two hundred ten billion, twenty-three million, four hundred twenty thousand, two hundred thirteen".