211143230323 has 8 divisors (see below), whose sum is σ = 224094457440. Its totient is φ = 198251007360.

The previous prime is 211143230293. The next prime is 211143230359. The reversal of 211143230323 is 323032341112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211143230323 is a prime.

It is a super-2 number, since 2×211143230323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211143230393) 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 7 ways as a sum of consecutive naturals, for example, 14743663 + ... + 14757976.

It is an arithmetic number, because the mean of its divisors is an integer number (28011807180).

Almost surely, 2^211143230323 is an apocalyptic number.

211143230323 is a deficient number, since it is larger than the sum of its proper divisors (12951227117).

211143230323 is a wasteful number, since it uses less digits than its factorization.

211143230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29502077.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211143230323 its reverse (323032341112), we get a palindrome (534175571435).

The spelling of 211143230323 in words is "two hundred eleven billion, one hundred forty-three million, two hundred thirty thousand, three hundred twenty-three".