211323233303 has 128 divisors (see below), whose sum is σ = 288798720000. Its totient is φ = 153148786560.

The previous prime is 211323233299. The next prime is 211323233311. The reversal of 211323233303 is 303332323112.

It is a happy number.

It is not a de Polignac number, because 211323233303 - 2² = 211323233299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211323233003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 334901798 + ... + 334902428.

It is an arithmetic number, because the mean of its divisors is an integer number (2256240000).

Almost surely, 2^211323233303 is an apocalyptic number.

211323233303 is a deficient number, since it is larger than the sum of its proper divisors (77475486697).

211323233303 is a wasteful number, since it uses less digits than its factorization.

211323233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 211323233303 its reverse (303332323112), we get a palindrome (514655556415).

The spelling of 211323233303 in words is "two hundred eleven billion, three hundred twenty-three million, two hundred thirty-three thousand, three hundred three".