11523080 has 16 divisors (see below), whose sum is σ = 25927020. Its totient is φ = 4609216.

The previous prime is 11523077. The next prime is 11523119. The reversal of 11523080 is 8032511.

It can be written as a sum of positive squares in 2 ways, for example, as 11519236 + 3844 = 3394^2 + 62^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143999 + ... + 144078.

Almost surely, 2^11523080 is an apocalyptic number.

11523080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11523080 is an abundant number, since it is smaller than the sum of its proper divisors (14403940).

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

11523080 is a wasteful number, since it uses less digits than its factorization.

11523080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288088 (or 288084 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11523080 is about 3394.5662462235. The cubic root of 11523080 is about 225.8687728530.

Adding to 11523080 its reverse (8032511), we get a palindrome (19555591).

The spelling of 11523080 in words is "eleven million, five hundred twenty-three thousand, eighty".