11520523 has 8 divisors (see below), whose sum is σ = 13222880. Its totient is φ = 9832320.

The previous prime is 11520473. The next prime is 11520559. The reversal of 11520523 is 32502511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11520523 - 2¹³ = 11512331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11520523.

It is not an unprimeable number, because it can be changed into a prime (11520563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (1652860).

Almost surely, 2^11520523 is an apocalyptic number.

11520523 is a deficient number, since it is larger than the sum of its proper divisors (1702357).

11520523 is an equidigital number, since it uses as much as digits as its factorization.

11520523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 11520523 is about 3394.1895939974. The cubic root of 11520523 is about 225.8520646703.

The spelling of 11520523 in words is "eleven million, five hundred twenty thousand, five hundred twenty-three".