211230310223 has 2 divisors, whose sum is σ = 211230310224. Its totient is φ = 211230310222.

The previous prime is 211230310177. The next prime is 211230310331. The reversal of 211230310223 is 322013032112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211230310223 - 2¹⁴ = 211230293839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211230310195 and 211230310204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211230310523) 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, 105615155111 + 105615155112.

It is an arithmetic number, because the mean of its divisors is an integer number (105615155112).

Almost surely, 2^211230310223 is an apocalyptic number.

211230310223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211230310223 is an equidigital number, since it uses as much as digits as its factorization.

211230310223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211230310223 its reverse (322013032112), we get a palindrome (533243342335).

The spelling of 211230310223 in words is "two hundred eleven billion, two hundred thirty million, three hundred ten thousand, two hundred twenty-three".