11047823 has 4 divisors (see below), whose sum is σ = 11073888. Its totient is φ = 11021760.

The previous prime is 11047783. The next prime is 11047847. The reversal of 11047823 is 32874011.

11047823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32874011 = 211 ⋅155801.

It is a cyclic number.

It is not a de Polignac number, because 11047823 - 2¹⁰ = 11046799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11047792 and 11047801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12386 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (2768472).

Almost surely, 2^11047823 is an apocalyptic number.

11047823 is a deficient number, since it is larger than the sum of its proper divisors (26065).

11047823 is an equidigital number, since it uses as much as digits as its factorization.

11047823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26064.

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

The square root of 11047823 is about 3323.8265598554. The cubic root of 11047823 is about 222.7198382686.

The spelling of 11047823 in words is "eleven million, forty-seven thousand, eight hundred twenty-three".