11806423 has 2 divisors, whose sum is σ = 11806424. Its totient is φ = 11806422.

The previous prime is 11806411. The next prime is 11806453. The reversal of 11806423 is 32460811.

It is a weak prime.

It is an emirp because it is prime and its reverse (32460811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11806423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11806453) 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, 5903211 + 5903212.

It is an arithmetic number, because the mean of its divisors is an integer number (5903212).

Almost surely, 2^11806423 is an apocalyptic number.

11806423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806423 is an equidigital number, since it uses as much as digits as its factorization.

11806423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11806423 is about 3436.0475840710. The cubic root of 11806423 is about 227.7051114800.

The spelling of 11806423 in words is "eleven million, eight hundred six thousand, four hundred twenty-three".