11140423 has 16 divisors (see below), whose sum is σ = 13582080. Its totient is φ = 8919936.

The previous prime is 11140421. The next prime is 11140447. The reversal of 11140423 is 32404111.

It is a cyclic number.

It is not a de Polignac number, because 11140423 - 2¹ = 11140421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140397 and 11140406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21040 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (848880).

Almost surely, 2^11140423 is an apocalyptic number.

11140423 is a deficient number, since it is larger than the sum of its proper divisors (2441657).

11140423 is a wasteful number, since it uses less digits than its factorization.

11140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11140423 is about 3337.7272207297. The cubic root of 11140423 is about 223.3403678386.

Adding to 11140423 its reverse (32404111), we get a palindrome (43544534).

The spelling of 11140423 in words is "eleven million, one hundred forty thousand, four hundred twenty-three".