11290823 has 4 divisors (see below), whose sum is σ = 11301240. Its totient is φ = 11280408.

The previous prime is 11290817. The next prime is 11290843. The reversal of 11290823 is 32809211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32809211 = 113 ⋅290347.

It is a cyclic number.

It is not a de Polignac number, because 11290823 - 2¹⁰ = 11289799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11290792 and 11290801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (2825310).

Almost surely, 2^11290823 is an apocalyptic number.

11290823 is a deficient number, since it is larger than the sum of its proper divisors (10417).

11290823 is an equidigital number, since it uses as much as digits as its factorization.

11290823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11290823 is about 3360.1819891190. The cubic root of 11290823 is about 224.3409388788.

The spelling of 11290823 in words is "eleven million, two hundred ninety thousand, eight hundred twenty-three".