211322322023 has 4 divisors (see below), whose sum is σ = 212417256528. Its totient is φ = 210227387520.

The previous prime is 211322322011. The next prime is 211322322047. The reversal of 211322322023 is 320223223112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211322322023 - 2²⁶ = 211255213159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211322322023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211322322053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547466963 + ... + 547467348.

It is an arithmetic number, because the mean of its divisors is an integer number (53104314132).

Almost surely, 2^211322322023 is an apocalyptic number.

211322322023 is a deficient number, since it is larger than the sum of its proper divisors (1094934505).

211322322023 is a wasteful number, since it uses less digits than its factorization.

211322322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094934504.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 211322322023 its reverse (320223223112), we get a palindrome (531545545135).

The spelling of 211322322023 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred twenty-two thousand, twenty-three".