11351223 has 36 divisors (see below), whose sum is σ = 18841680. Its totient is φ = 6559488.

The previous prime is 11351191. The next prime is 11351237. The reversal of 11351223 is 32215311.

It is not a de Polignac number, because 11351223 - 2⁵ = 11351191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11351196 and 11351205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25638 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (523380).

Almost surely, 2^11351223 is an apocalyptic number.

11351223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11351223 is a deficient number, since it is larger than the sum of its proper divisors (7490457).

11351223 is a wasteful number, since it uses less digits than its factorization.

11351223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 472 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11351223 is about 3369.1576098485. The cubic root of 11351223 is about 224.7402632420.

Adding to 11351223 its reverse (32215311), we get a palindrome (43566534).

The spelling of 11351223 in words is "eleven million, three hundred fifty-one thousand, two hundred twenty-three".