11843923 has 16 divisors (see below), whose sum is σ = 14687680. Its totient is φ = 9300096.

The previous prime is 11843879. The next prime is 11843927. The reversal of 11843923 is 32934811.

It is not a de Polignac number, because 11843923 - 2²¹ = 9746771 is a prime.

It is the 3442-nd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (11843927) by changing a digit.

It is a nontrivial repunit in base 3441.

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 15 ways as a sum of consecutive naturals, for example, 13873 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (917980).

Almost surely, 2^11843923 is an apocalyptic number.

11843923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11843923 is a deficient number, since it is larger than the sum of its proper divisors (2843757).

11843923 is a wasteful number, since it uses less digits than its factorization.

11843923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 5184, while the sum is 31.

The square root of 11843923 is about 3441.5001089641. The cubic root of 11843923 is about 227.9459385007.

The spelling of 11843923 in words is "eleven million, eight hundred forty-three thousand, nine hundred twenty-three".