11423742 has 16 divisors (see below), whose sum is σ = 24924672. Its totient is φ = 3461720.

The previous prime is 11423689. The next prime is 11423747. The reversal of 11423742 is 24732411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86478 + ... + 86609.

It is an arithmetic number, because the mean of its divisors is an integer number (1557792).

Almost surely, 2^11423742 is an apocalyptic number.

11423742 is an abundant number, since it is smaller than the sum of its proper divisors (13500930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11423742 is a wasteful number, since it uses less digits than its factorization.

11423742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173103.

The product of its digits is 1344, while the sum is 24.

The square root of 11423742 is about 3379.9026613203. The cubic root of 11423742 is about 225.2178433386.

It can be divided in two parts, 1142 and 3742, that added together give a palindrome (4884).

The spelling of 11423742 in words is "eleven million, four hundred twenty-three thousand, seven hundred forty-two".