211323220323233 has 16 divisors (see below), whose sum is σ = 220260493280256. Its totient is φ = 202518517662720.

The previous prime is 211323220323197. The next prime is 211323220323247. The reversal of 211323220323233 is 332323022323112.

It is a cyclic number.

It is not a de Polignac number, because 211323220323233 - 2²² = 211323216128929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211323220323233.

It is not an unprimeable number, because it can be changed into a prime (211323220223233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319918385 + ... + 320578257.

It is an arithmetic number, because the mean of its divisors is an integer number (13766280830016).

Almost surely, 2^{211323220323233} is an apocalyptic number.

It is an amenable number.

211323220323233 is a deficient number, since it is larger than the sum of its proper divisors (8937272957023).

211323220323233 is a wasteful number, since it uses less digits than its factorization.

211323220323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760304.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 211323220323233 its reverse (332323022323112), we get a palindrome (543646242646345).

The spelling of 211323220323233 in words is "two hundred eleven trillion, three hundred twenty-three billion, two hundred twenty million, three hundred twenty-three thousand, two hundred thirty-three".