11506823 has 8 divisors (see below), whose sum is σ = 11988000. Its totient is φ = 11031328.

The previous prime is 11506813. The next prime is 11506849. The reversal of 11506823 is 32860511.

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

It is a cyclic number.

It is not a de Polignac number, because 11506823 - 2⁸ = 11506567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11506792 and 11506801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506813) 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 7 ways as a sum of consecutive naturals, for example, 2990 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (1498500).

Almost surely, 2^11506823 is an apocalyptic number.

11506823 is a deficient number, since it is larger than the sum of its proper divisors (481177).

11506823 is a wasteful number, since it uses less digits than its factorization.

11506823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11506823 is about 3392.1708388582. The cubic root of 11506823 is about 225.7625027465.

The spelling of 11506823 in words is "eleven million, five hundred six thousand, eight hundred twenty-three".