11968823 has 2 divisors, whose sum is σ = 11968824. Its totient is φ = 11968822.

The previous prime is 11968819. The next prime is 11968829. The reversal of 11968823 is 32886911.

11968823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32886911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11968823 - 2² = 11968819 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11968829) 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, 5984411 + 5984412.

It is an arithmetic number, because the mean of its divisors is an integer number (5984412).

Almost surely, 2^11968823 is an apocalyptic number.

11968823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11968823 is an equidigital number, since it uses as much as digits as its factorization.

11968823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 11968823 is about 3459.5986761473. The cubic root of 11968823 is about 228.7444056880.

The spelling of 11968823 in words is "eleven million, nine hundred sixty-eight thousand, eight hundred twenty-three".