11123323321 has 8 divisors (see below), whose sum is σ = 12230083584. Its totient is φ = 10032487920.

The previous prime is 11123323313. The next prime is 11123323333. The reversal of 11123323321 is 12332332111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123323321 - 2³ = 11123323313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123323292 and 11123323301.

It is not an unprimeable number, because it can be changed into a prime (11123333321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979750 + ... + 3982543.

It is an arithmetic number, because the mean of its divisors is an integer number (1528760448).

Almost surely, 2^11123323321 is an apocalyptic number.

11123323321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11123323321 is a deficient number, since it is larger than the sum of its proper divisors (1106760263).

11123323321 is a wasteful number, since it uses less digits than its factorization.

11123323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962431.

The product of its digits is 648, while the sum is 22.

Adding to 11123323321 its reverse (12332332111), we get a palindrome (23455655432).

It can be divided in two parts, 11 and 123323321, that multiplied together give a palindrome (1356556531).

The spelling of 11123323321 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-three thousand, three hundred twenty-one".