11828823 has 4 divisors (see below), whose sum is σ = 15771768. Its totient is φ = 7885880.

The previous prime is 11828809. The next prime is 11828833. The reversal of 11828823 is 32882811.

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 11828823 - 2⁴ = 11828807 is a prime.

It is a super-3 number, since 3×11828823³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11828833) 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, 1971468 + ... + 1971473.

It is an arithmetic number, because the mean of its divisors is an integer number (3942942).

Almost surely, 2^11828823 is an apocalyptic number.

11828823 is a deficient number, since it is larger than the sum of its proper divisors (3942945).

11828823 is an equidigital number, since it uses as much as digits as its factorization.

11828823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942944.

The product of its digits is 6144, while the sum is 33.

The square root of 11828823 is about 3439.3055985184. The cubic root of 11828823 is about 227.8490267074.

The spelling of 11828823 in words is "eleven million, eight hundred twenty-eight thousand, eight hundred twenty-three".