11423320 has 64 divisors (see below), whose sum is σ = 27643680. Its totient is φ = 4233216.

The previous prime is 11423317. The next prime is 11423323. The reversal of 11423320 is 2332411.

It is a happy number.

11423320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11423317) and next prime (11423323).

It is a junction number, because it is equal to n+sod(n) for n = 11423294 and 11423303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423323) 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, 72682 + ... + 72838.

Almost surely, 2^11423320 is an apocalyptic number.

11423320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13821840).

11423320 is an abundant number, since it is smaller than the sum of its proper divisors (16220360).

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

11423320 is a wasteful number, since it uses less digits than its factorization.

11423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11423320 is about 3379.8402329104. The cubic root of 11423320 is about 225.2150700763.

Adding to 11423320 its reverse (2332411), we get a palindrome (13755731).

Subtracting from 11423320 its reverse (2332411), we obtain a palindrome (9090909).

The spelling of 11423320 in words is "eleven million, four hundred twenty-three thousand, three hundred twenty".