211342323203 has 16 divisors (see below), whose sum is σ = 240707980800. Its totient is φ = 183677714880.

The previous prime is 211342323191. The next prime is 211342323221. The reversal of 211342323203 is 302323243112.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-211342323203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211342323223) 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, 253103 + ... + 697671.

It is an arithmetic number, because the mean of its divisors is an integer number (15044248800).

Almost surely, 2^211342323203 is an apocalyptic number.

211342323203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211342323203 is a deficient number, since it is larger than the sum of its proper divisors (29365657597).

211342323203 is a wasteful number, since it uses less digits than its factorization.

211342323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446482.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 211342323203 its reverse (302323243112), we get a palindrome (513665566315).

The spelling of 211342323203 in words is "two hundred eleven billion, three hundred forty-two million, three hundred twenty-three thousand, two hundred three".