11323320 has 64 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 2991744.

The previous prime is 11323313. The next prime is 11323321. The reversal of 11323320 is 2332311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11323320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14869 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^11323320 is an apocalyptic number.

11323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141760).

11323320 is an abundant number, since it is smaller than the sum of its proper divisors (22960200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323320 is a wasteful number, since it uses less digits than its factorization.

11323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 11323320 is about 3365.0141158694. The cubic root of 11323320 is about 224.5559637797. Note that the first 3 decimals are identical.

Adding to 11323320 its reverse (2332311), we get a palindrome (13655631).

The spelling of 11323320 in words is "eleven million, three hundred twenty-three thousand, three hundred twenty".