11740823 has 4 divisors (see below), whose sum is σ = 11939880. Its totient is φ = 11541768.

The previous prime is 11740819. The next prime is 11740831. The reversal of 11740823 is 32804711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11740823 - 2² = 11740819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11740792 and 11740801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11740843) 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 in 3 ways as a sum of consecutive naturals, for example, 99440 + ... + 99557.

It is an arithmetic number, because the mean of its divisors is an integer number (2984970).

Almost surely, 2^11740823 is an apocalyptic number.

11740823 is a deficient number, since it is larger than the sum of its proper divisors (199057).

11740823 is an equidigital number, since it uses as much as digits as its factorization.

11740823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199056.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11740823 is about 3426.4884357021. The cubic root of 11740823 is about 227.2825955133.

The spelling of 11740823 in words is "eleven million, seven hundred forty thousand, eight hundred twenty-three".