11523132 has 72 divisors (see below), whose sum is σ = 30790032. Its totient is φ = 3628800.

The previous prime is 11523119. The next prime is 11523137. The reversal of 11523132 is 23132511.

11523132 is a `hidden beast` number, since 11 + 523 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523137) 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, 54507 + ... + 54717.

Almost surely, 2^11523132 is an apocalyptic number.

11523132 is a gapful number since it is divisible by the number (12) 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 11523132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15395016).

11523132 is an abundant number, since it is smaller than the sum of its proper divisors (19266900).

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

11523132 is a wasteful number, since it uses less digits than its factorization.

11523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11523132 is about 3394.5739055145. The cubic root of 11523132 is about 225.8691126105.

Adding to 11523132 its reverse (23132511), we get a palindrome (34655643).

The spelling of 11523132 in words is "eleven million, five hundred twenty-three thousand, one hundred thirty-two".