11823845 has 16 divisors (see below), whose sum is σ = 15577920. Its totient is φ = 8544000.

The previous prime is 11823841. The next prime is 11823853. The reversal of 11823845 is 54832811.

11823845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11823845 - 2² = 11823841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823841) 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 15 ways as a sum of consecutive naturals, for example, 9245 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (973620).

Almost surely, 2^11823845 is an apocalyptic number.

It is an amenable number.

11823845 is a deficient number, since it is larger than the sum of its proper divisors (3754075).

11823845 is a wasteful number, since it uses less digits than its factorization.

11823845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its digits is 7680, while the sum is 32.

The square root of 11823845 is about 3438.5818297665. The cubic root of 11823845 is about 227.8170598301.

The spelling of 11823845 in words is "eleven million, eight hundred twenty-three thousand, eight hundred forty-five".