11723226 has 16 divisors (see below), whose sum is σ = 23689344. Its totient is φ = 3867264.

The previous prime is 11723213. The next prime is 11723237. The reversal of 11723226 is 62232711.

It is a junction number, because it is equal to n+sod(n) for n = 11723196 and 11723205.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9490 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (1480584).

Almost surely, 2^11723226 is an apocalyptic number.

11723226 is an abundant number, since it is smaller than the sum of its proper divisors (11966118).

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

11723226 is a wasteful number, since it uses less digits than its factorization.

11723226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245.

The product of its digits is 1008, while the sum is 24.

The square root of 11723226 is about 3423.9196836375. The cubic root of 11723226 is about 227.1689892915.

Adding to 11723226 its reverse (62232711), we get a palindrome (73955937).

The spelling of 11723226 in words is "eleven million, seven hundred twenty-three thousand, two hundred twenty-six".