11823899 has 2 divisors, whose sum is σ = 11823900. Its totient is φ = 11823898.

The previous prime is 11823893. The next prime is 11823907. The reversal of 11823899 is 99832811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11823899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11823893) 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, 5911949 + 5911950.

It is an arithmetic number, because the mean of its divisors is an integer number (5911950).

Almost surely, 2^11823899 is an apocalyptic number.

11823899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11823899 is an equidigital number, since it uses as much as digits as its factorization.

11823899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 41.

The square root of 11823899 is about 3438.5896818318. The cubic root of 11823899 is about 227.8174066463.

The spelling of 11823899 in words is "eleven million, eight hundred twenty-three thousand, eight hundred ninety-nine".