11323111 has 2 divisors, whose sum is σ = 11323112. Its totient is φ = 11323110.

The previous prime is 11323097. The next prime is 11323133. The reversal of 11323111 is 11132311.

It is a weak prime.

It is an emirp because it is prime and its reverse (11132311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323111 - 2⁹ = 11322599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11323091 and 11323100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661555 + 5661556.

It is an arithmetic number, because the mean of its divisors is an integer number (5661556).

Almost surely, 2^11323111 is an apocalyptic number.

11323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323111 is an equidigital number, since it uses as much as digits as its factorization.

11323111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18, while the sum is 13.

The square root of 11323111 is about 3364.9830608786. The cubic root of 11323111 is about 224.5545821918.

Adding to 11323111 its reverse (11132311), we get a palindrome (22455422).

The spelling of 11323111 in words is "eleven million, three hundred twenty-three thousand, one hundred eleven".