211213323 has 24 divisors (see below), whose sum is σ = 315694080. Its totient is φ = 135935280.

The previous prime is 211213313. The next prime is 211213357. The reversal of 211213323 is 323312112.

211213323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211213323 - 2⁶ = 211213259 is a prime.

It is a super-2 number, since 2×211213323² = 89222135625404658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213296 and 211213305.

It is not an unprimeable number, because it can be changed into a prime (211213313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172090 + ... + 173312.

It is an arithmetic number, because the mean of its divisors is an integer number (13153920).

Almost surely, 2^211213323 is an apocalyptic number.

211213323 is a deficient number, since it is larger than the sum of its proper divisors (104480757).

211213323 is a wasteful number, since it uses less digits than its factorization.

211213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1876 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 211213323 is about 14533.1800718219. The cubic root of 211213323 is about 595.5347432392.

Adding to 211213323 its reverse (323312112), we get a palindrome (534525435).

The spelling of 211213323 in words is "two hundred eleven million, two hundred thirteen thousand, three hundred twenty-three".