11323121 has 4 divisors (see below), whose sum is σ = 11392752. Its totient is φ = 11253492.

The previous prime is 11323111. The next prime is 11323133. The reversal of 11323121 is 12132311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11323121 - 2⁶ = 11323057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11323096 and 11323105.

It is not an unprimeable number, because it can be changed into a prime (11323111) 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 3 ways as a sum of consecutive naturals, for example, 34571 + ... + 34896.

It is an arithmetic number, because the mean of its divisors is an integer number (2848188).

Almost surely, 2^11323121 is an apocalyptic number.

It is an amenable number.

11323121 is a deficient number, since it is larger than the sum of its proper divisors (69631).

11323121 is an equidigital number, since it uses as much as digits as its factorization.

11323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69630.

The product of its digits is 36, while the sum is 14.

The square root of 11323121 is about 3364.9845467699. The cubic root of 11323121 is about 224.5546482969.

Adding to 11323121 its reverse (12132311), we get a palindrome (23455432).

The spelling of 11323121 in words is "eleven million, three hundred twenty-three thousand, one hundred twenty-one".