211323103 has 8 divisors (see below), whose sum is σ = 220910976. Its totient is φ = 201768600.

The previous prime is 211323089. The next prime is 211323109. The reversal of 211323103 is 301323112.

211323103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 211323103 - 2⁵ = 211323071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211323109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088 + ... + 21178.

It is an arithmetic number, because the mean of its divisors is an integer number (27613872).

Almost surely, 2^211323103 is an apocalyptic number.

211323103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211323103 is a deficient number, since it is larger than the sum of its proper divisors (9587873).

211323103 is a wasteful number, since it uses less digits than its factorization.

211323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 211323103 is about 14536.9564558748. The cubic root of 211323103 is about 595.6379035253.

Adding to 211323103 its reverse (301323112), we get a palindrome (512646215).

Subtracting 211323103 from its reverse (301323112), we obtain a palindrome (90000009).

The spelling of 211323103 in words is "two hundred eleven million, three hundred twenty-three thousand, one hundred three".