11323911 has 8 divisors (see below), whose sum is σ = 15117424. Its totient is φ = 7539840.

The previous prime is 11323909. The next prime is 11323919. The reversal of 11323911 is 11932311.

11323911 is digitally balanced in base 3, 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 not a de Polignac number, because 11323911 - 2¹ = 11323909 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 (11323919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (1889678).

Almost surely, 2^11323911 is an apocalyptic number.

11323911 is a deficient number, since it is larger than the sum of its proper divisors (3793513).

11323911 is a wasteful number, since it uses less digits than its factorization.

11323911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721.

The product of its digits is 162, while the sum is 21.

The square root of 11323911 is about 3365.1019301055. The cubic root of 11323911 is about 224.5598704745.

Subtracting 11323911 from its reverse (11932311), we obtain a square (608400 = 780²).

The spelling of 11323911 in words is "eleven million, three hundred twenty-three thousand, nine hundred eleven".