11323481 has 4 divisors (see below), whose sum is σ = 12194532. Its totient is φ = 10452432.

The previous prime is 11323471. The next prime is 11323519. The reversal of 11323481 is 18432311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1713481 + 9610000 = 1309^2 + 3100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323481 is a prime.

It is a super-2 number, since 2×11323481² = 256442443914722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11323451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435506 + ... + 435531.

It is an arithmetic number, because the mean of its divisors is an integer number (3048633).

Almost surely, 2^11323481 is an apocalyptic number.

It is an amenable number.

11323481 is a deficient number, since it is larger than the sum of its proper divisors (871051).

11323481 is an equidigital number, since it uses as much as digits as its factorization.

11323481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871050.

The product of its digits is 576, while the sum is 23.

The square root of 11323481 is about 3365.0380384180. The cubic root of 11323481 is about 224.5570280535.

Adding to 11323481 its reverse (18432311), we get a palindrome (29755792).

The spelling of 11323481 in words is "eleven million, three hundred twenty-three thousand, four hundred eighty-one".