211143200223 has 32 divisors (see below), whose sum is σ = 292918835200. Its totient is φ = 135165977856.

The previous prime is 211143200201. The next prime is 211143200239. The reversal of 211143200223 is 322002341112.

It is not a de Polignac number, because 211143200223 - 2⁶ = 211143200159 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 211143200223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211143200923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30942390 + ... + 30949212.

It is an arithmetic number, because the mean of its divisors is an integer number (9153713600).

Almost surely, 2^211143200223 is an apocalyptic number.

211143200223 is a deficient number, since it is larger than the sum of its proper divisors (81775634977).

211143200223 is a wasteful number, since it uses less digits than its factorization.

211143200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211143200223 its reverse (322002341112), we get a palindrome (533145541335).

The spelling of 211143200223 in words is "two hundred eleven billion, one hundred forty-three million, two hundred thousand, two hundred twenty-three".