11440523 has 4 divisors (see below), whose sum is σ = 11455248. Its totient is φ = 11425800.

The previous prime is 11440493. The next prime is 11440549. The reversal of 11440523 is 32504411.

11440523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32504411 = 151 ⋅215261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11440523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11440495 and 11440504.

It is not an unprimeable number, because it can be changed into a prime (11440553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128 + ... + 7773.

It is an arithmetic number, because the mean of its divisors is an integer number (2863812).

Almost surely, 2^11440523 is an apocalyptic number.

11440523 is a deficient number, since it is larger than the sum of its proper divisors (14725).

11440523 is an equidigital number, since it uses as much as digits as its factorization.

11440523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14724.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11440523 is about 3382.3842182697. The cubic root of 11440523 is about 225.3280679204.

Adding to 11440523 its reverse (32504411), we get a palindrome (43944934).

The spelling of 11440523 in words is "eleven million, four hundred forty thousand, five hundred twenty-three".