11089423 has 4 divisors (see below), whose sum is σ = 11741760. Its totient is φ = 10437088.

The previous prime is 11089409. The next prime is 11089433. The reversal of 11089423 is 32498011.

It is a happy number.

11089423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11089423 - 2⁹ = 11088911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11089391 and 11089400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11089433) 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, 326143 + ... + 326176.

It is an arithmetic number, because the mean of its divisors is an integer number (2935440).

Almost surely, 2^11089423 is an apocalyptic number.

11089423 is a deficient number, since it is larger than the sum of its proper divisors (652337).

11089423 is an equidigital number, since it uses as much as digits as its factorization.

11089423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652336.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11089423 is about 3330.0785276026. The cubic root of 11089423 is about 222.9990347643. Note that the first 3 decimals are identical.

The spelling of 11089423 in words is "eleven million, eighty-nine thousand, four hundred twenty-three".