11423118 has 32 divisors (see below), whose sum is σ = 26254080. Its totient is φ = 3245760.

The previous prime is 11423117. The next prime is 11423131. The reversal of 11423118 is 81132411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11423094 and 11423103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8218 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (820440).

Almost surely, 2^11423118 is an apocalyptic number.

11423118 is an abundant number, since it is smaller than the sum of its proper divisors (14830962).

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

11423118 is a wasteful number, since it uses less digits than its factorization.

11423118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its digits is 192, while the sum is 21.

The square root of 11423118 is about 3379.8103497090. The cubic root of 11423118 is about 225.2137425663.

Adding to 11423118 its reverse (81132411), we get a palindrome (92555529).

It can be divided in two parts, 114 and 23118, that added together give a palindrome (23232).

The spelling of 11423118 in words is "eleven million, four hundred twenty-three thousand, one hundred eighteen".