211341213223 has 16 divisors (see below), whose sum is σ = 252092252160. Its totient is φ = 173233659456.

The previous prime is 211341213203. The next prime is 211341213227. The reversal of 211341213223 is 322312143112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211341213223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211341213227) 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, 560986 + ... + 858712.

It is an arithmetic number, because the mean of its divisors is an integer number (15755765760).

Almost surely, 2^211341213223 is an apocalyptic number.

211341213223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211341213223 is a deficient number, since it is larger than the sum of its proper divisors (40751038937).

211341213223 is a wasteful number, since it uses less digits than its factorization.

211341213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302166.

The product of its digits is 1728, while the sum is 25.

Adding to 211341213223 its reverse (322312143112), we get a palindrome (533653356335).

The spelling of 211341213223 in words is "two hundred eleven billion, three hundred forty-one million, two hundred thirteen thousand, two hundred twenty-three".