211323223312323 has 16 divisors (see below), whose sum is σ = 283028882841600. Its totient is φ = 140249861097984.

The previous prime is 211323223312321. The next prime is 211323223312367. The reversal of 211323223312323 is 323213322323112.

It is not a de Polignac number, because 211323223312323 - 2¹ = 211323223312321 is a prime.

It is a super-2 number, since 2×211323223312323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211323223312321) 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 in 15 ways as a sum of consecutive naturals, for example, 265619278 + ... + 266413676.

It is an arithmetic number, because the mean of its divisors is an integer number (17689305177600).

Almost surely, 2^{211323223312323} is an apocalyptic number.

211323223312323 is a deficient number, since it is larger than the sum of its proper divisors (71705659529277).

211323223312323 is a wasteful number, since it uses less digits than its factorization.

211323223312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192258.

The product of its digits is 46656, while the sum is 33.

Adding to 211323223312323 its reverse (323213322323112), we get a palindrome (534536545635435).

The spelling of 211323223312323 in words is "two hundred eleven trillion, three hundred twenty-three billion, two hundred twenty-three million, three hundred twelve thousand, three hundred twenty-three".