11097823 has 8 divisors (see below), whose sum is σ = 12131280. Its totient is φ = 10068480.

The previous prime is 11097773. The next prime is 11097871. The reversal of 11097823 is 32879011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11097823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (1516410).

Almost surely, 2^11097823 is an apocalyptic number.

11097823 is a deficient number, since it is larger than the sum of its proper divisors (1033457).

11097823 is a wasteful number, since it uses less digits than its factorization.

11097823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11097823 is about 3331.3395203731. The cubic root of 11097823 is about 223.0553262149.

The spelling of 11097823 in words is "eleven million, ninety-seven thousand, eight hundred twenty-three".