11423916 has 144 divisors (see below), whose sum is σ = 36201984. Its totient is φ = 3079296.

The previous prime is 11423911. The next prime is 11423933. The reversal of 11423916 is 61932411.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1296) is a multiple of the sum of its prime divisors (108).

It is a self number, because there is not a number n which added to its sum of digits gives 11423916.

It is not an unprimeable number, because it can be changed into a prime (11423911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156456 + ... + 156528.

Almost surely, 2^11423916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18100992).

11423916 is an abundant number, since it is smaller than the sum of its proper divisors (24778068).

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

11423916 is a wasteful number, since it uses less digits than its factorization.

11423916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 108 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11423916 is about 3379.9284016085. The cubic root of 11423916 is about 225.2189867966.

The spelling of 11423916 in words is "eleven million, four hundred twenty-three thousand, nine hundred sixteen".