11523523 has 8 divisors (see below), whose sum is σ = 12611520. Its totient is φ = 10442280.

The previous prime is 11523497. The next prime is 11523553. The reversal of 11523523 is 32532511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11523494 and 11523503.

It is not an unprimeable number, because it can be changed into a prime (11523553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (1576440).

Almost surely, 2^11523523 is an apocalyptic number.

11523523 is a deficient number, since it is larger than the sum of its proper divisors (1087997).

11523523 is a wasteful number, since it uses less digits than its factorization.

11523523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377.

The product of its digits is 900, while the sum is 22.

The square root of 11523523 is about 3394.6314969375. The cubic root of 11523523 is about 225.8716672928.

The spelling of 11523523 in words is "eleven million, five hundred twenty-three thousand, five hundred twenty-three".