11233520 has 20 divisors (see below), whose sum is σ = 26118120. Its totient is φ = 4493376.

The previous prime is 11233513. The next prime is 11233553. The reversal of 11233520 is 2533211.

11233520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70130 + ... + 70289.

It is an arithmetic number, because the mean of its divisors is an integer number (1305906).

Almost surely, 2^11233520 is an apocalyptic number.

11233520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233520 is an abundant number, since it is smaller than the sum of its proper divisors (14884600).

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

11233520 is a wasteful number, since it uses less digits than its factorization.

11233520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140432 (or 140426 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 11233520 is about 3351.6443725431. The cubic root of 11233520 is about 223.9607711915.

Adding to 11233520 its reverse (2533211), we get a palindrome (13766731).

The spelling of 11233520 in words is "eleven million, two hundred thirty-three thousand, five hundred twenty".