11523528 has 24 divisors (see below), whose sum is σ = 31209750. Its totient is φ = 3841152.

The previous prime is 11523497. The next prime is 11523553. The reversal of 11523528 is 82532511.

It is a happy number.

11523528 is a `hidden beast` number, since 115 + 23 + 528 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5963364 + 5560164 = 2442^2 + 2358^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79953 + ... + 80096.

Almost surely, 2^11523528 is an apocalyptic number.

11523528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11523528 is an abundant number, since it is smaller than the sum of its proper divisors (19686222).

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

11523528 is a wasteful number, since it uses less digits than its factorization.

11523528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160061 (or 160054 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11523528 is about 3394.6322333944. The cubic root of 11523528 is about 225.8716999610.

It can be divided in two parts, 1152 and 3528, that multiplied together give a square (4064256 = 2016²).

The spelling of 11523528 in words is "eleven million, five hundred twenty-three thousand, five hundred twenty-eight".