211030444223 has 2 divisors, whose sum is σ = 211030444224. Its totient is φ = 211030444222.

The previous prime is 211030444217. The next prime is 211030444237. The reversal of 211030444223 is 322444030112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211030444223 - 2²² = 211026249919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211030444192 and 211030444201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211030440223) 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, 105515222111 + 105515222112.

It is an arithmetic number, because the mean of its divisors is an integer number (105515222112).

Almost surely, 2^211030444223 is an apocalyptic number.

211030444223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211030444223 is an equidigital number, since it uses as much as digits as its factorization.

211030444223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211030444223 its reverse (322444030112), we get a palindrome (533474474335).

The spelling of 211030444223 in words is "two hundred eleven billion, thirty million, four hundred forty-four thousand, two hundred twenty-three".