11323728 has 120 divisors (see below), whose sum is σ = 35747712. Its totient is φ = 3320064.

The previous prime is 11323727. The next prime is 11323729. The reversal of 11323728 is 82732311.

It is an interprime number because it is at equal distance from previous prime (11323727) and next prime (11323729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323721) 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, 42925 + ... + 43187.

Almost surely, 2^11323728 is an apocalyptic number.

11323728 is a gapful number since it is divisible by the number (18) 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 11323728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873856).

11323728 is an abundant number, since it is smaller than the sum of its proper divisors (24423984).

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

11323728 is a wasteful number, since it uses less digits than its factorization.

11323728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 304 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 11323728 is about 3365.0747391403. The cubic root of 11323728 is about 224.5586608018.

The spelling of 11323728 in words is "eleven million, three hundred twenty-three thousand, seven hundred twenty-eight".