11042423 has 4 divisors (see below), whose sum is σ = 12619920. Its totient is φ = 9464928.

The previous prime is 11042413. The next prime is 11042429. The reversal of 11042423 is 32424011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11042423 - 2¹⁶ = 10976887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042429) 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, 788738 + ... + 788751.

It is an arithmetic number, because the mean of its divisors is an integer number (3154980).

Almost surely, 2^11042423 is an apocalyptic number.

11042423 is a deficient number, since it is larger than the sum of its proper divisors (1577497).

11042423 is an equidigital number, since it uses as much as digits as its factorization.

11042423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577496.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11042423 is about 3323.0141438158. The cubic root of 11042423 is about 222.6835450511.

Adding to 11042423 its reverse (32424011), we get a palindrome (43466434).

The spelling of 11042423 in words is "eleven million, forty-two thousand, four hundred twenty-three".