11042523 has 12 divisors (see below), whose sum is σ = 16077568. Its totient is φ = 7302960.

The previous prime is 11042513. The next prime is 11042531. The reversal of 11042523 is 32524011.

It is a de Polignac number, because none of the positive numbers 2^k-11042523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042496 and 11042505.

It is not an unprimeable number, because it can be changed into a prime (11042513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3688 + ... + 5973.

Almost surely, 2^11042523 is an apocalyptic number.

11042523 is a deficient number, since it is larger than the sum of its proper divisors (5035045).

11042523 is a wasteful number, since it uses less digits than its factorization.

11042523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794 (or 9791 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11042523 is about 3323.0291903623. The cubic root of 11042523 is about 222.6842172552.

Adding to 11042523 its reverse (32524011), we get a palindrome (43566534).

The spelling of 11042523 in words is "eleven million, forty-two thousand, five hundred twenty-three".