211242132323 has 4 divisors (see below), whose sum is σ = 218056394688. Its totient is φ = 204427869960.

The previous prime is 211242132287. The next prime is 211242132329. The reversal of 211242132323 is 323231242112.

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 211242132323 - 2¹⁶ = 211242066787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211242132292 and 211242132301.

It is not an unprimeable number, because it can be changed into a prime (211242132329) 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 in 3 ways as a sum of consecutive naturals, for example, 3407131136 + ... + 3407131197.

It is an arithmetic number, because the mean of its divisors is an integer number (54514098672).

Almost surely, 2^211242132323 is an apocalyptic number.

211242132323 is a deficient number, since it is larger than the sum of its proper divisors (6814262365).

211242132323 is an equidigital number, since it uses as much as digits as its factorization.

211242132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814262364.

The product of its digits is 3456, while the sum is 26.

Adding to 211242132323 its reverse (323231242112), we get a palindrome (534473374435).

The spelling of 211242132323 in words is "two hundred eleven billion, two hundred forty-two million, one hundred thirty-two thousand, three hundred twenty-three".