211411323 has 16 divisors (see below), whose sum is σ = 313549600. Its totient is φ = 140784480.

The previous prime is 211411307. The next prime is 211411379. The reversal of 211411323 is 323114112.

It is not a de Polignac number, because 211411323 - 2⁴ = 211411307 is a prime.

It is a super-2 number, since 2×211411323² = 89389494985220658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211411296 and 211411305.

It is not an unprimeable number, because it can be changed into a prime (211411393) 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, 23733 + ... + 31401.

It is an arithmetic number, because the mean of its divisors is an integer number (19596850).

Almost surely, 2^211411323 is an apocalyptic number.

211411323 is a deficient number, since it is larger than the sum of its proper divisors (102138277).

211411323 is a wasteful number, since it uses less digits than its factorization.

211411323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8699 (or 8693 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 211411323 is about 14539.9904745498. The cubic root of 211411323 is about 595.7207779872.

Adding to 211411323 its reverse (323114112), we get a palindrome (534525435).

It can be divided in two parts, 21 and 1411323, that added together give a square (1411344 = 1188²).

The spelling of 211411323 in words is "two hundred eleven million, four hundred eleven thousand, three hundred twenty-three".