11681323 has 2 divisors, whose sum is σ = 11681324. Its totient is φ = 11681322.

The previous prime is 11681311. The next prime is 11681347. The reversal of 11681323 is 32318611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11681323 - 2⁵ = 11681291 is a prime.

It is not a weakly prime, because it can be changed into another prime (11681303) 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 as a sum of consecutive naturals, namely, 5840661 + 5840662.

It is an arithmetic number, because the mean of its divisors is an integer number (5840662).

Almost surely, 2^11681323 is an apocalyptic number.

11681323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11681323 is an equidigital number, since it uses as much as digits as its factorization.

11681323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 11681323 is about 3417.7950494434. The cubic root of 11681323 is about 226.8980051146.

Adding to 11681323 its reverse (32318611), we get a palindrome (43999934).

The spelling of 11681323 in words is "eleven million, six hundred eighty-one thousand, three hundred twenty-three".