11471823 has 12 divisors (see below), whose sum is σ = 18076968. Its totient is φ = 6952560.

The previous prime is 11471819. The next prime is 11471851. The reversal of 11471823 is 32817411.

It is not a de Polignac number, because 11471823 - 2² = 11471819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57840 + ... + 58037.

It is an arithmetic number, because the mean of its divisors is an integer number (1506414).

Almost surely, 2^11471823 is an apocalyptic number.

11471823 is a deficient number, since it is larger than the sum of its proper divisors (6605145).

11471823 is a wasteful number, since it uses less digits than its factorization.

11471823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115894 (or 115891 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11471823 is about 3387.0079716470. The cubic root of 11471823 is about 225.5333716587.

The spelling of 11471823 in words is "eleven million, four hundred seventy-one thousand, eight hundred twenty-three".