11423321 has 24 divisors (see below), whose sum is σ = 14555520. Its totient is φ = 8884512.

The previous prime is 11423317. The next prime is 11423323. The reversal of 11423321 is 12332411.

It is not a de Polignac number, because 11423321 - 2² = 11423317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11423321.

It is not an unprimeable number, because it can be changed into a prime (11423323) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 50210 + ... + 50436.

It is an arithmetic number, because the mean of its divisors is an integer number (606480).

Almost surely, 2^11423321 is an apocalyptic number.

It is an amenable number.

11423321 is a deficient number, since it is larger than the sum of its proper divisors (3132199).

11423321 is a wasteful number, since it uses less digits than its factorization.

11423321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 326 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 11423321 is about 3379.8403808464. The cubic root of 11423321 is about 225.2150766481.

Adding to 11423321 its reverse (12332411), we get a palindrome (23755732).

The spelling of 11423321 in words is "eleven million, four hundred twenty-three thousand, three hundred twenty-one".