11440423 has 4 divisors (see below), whose sum is σ = 11450160. Its totient is φ = 11430688.

The previous prime is 11440417. The next prime is 11440441. The reversal of 11440423 is 32404411.

11440423 is nontrivially palindromic in base 14.

11440423 is digitally balanced in base 2 and base 3, because in such bases 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11440423 - 2⁵ = 11440391 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 11440423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440483) 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, 2818 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 2^11440423 is an apocalyptic number.

11440423 is a deficient number, since it is larger than the sum of its proper divisors (9737).

11440423 is an equidigital number, since it uses as much as digits as its factorization.

11440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11440423 is about 3382.3694357654. The cubic root of 11440423 is about 225.3274113982.

Adding to 11440423 its reverse (32404411), we get a palindrome (43844834).

The spelling of 11440423 in words is "eleven million, four hundred forty thousand, four hundred twenty-three".