11923841 has 4 divisors (see below), whose sum is σ = 12126000. Its totient is φ = 11721684.

The previous prime is 11923831. The next prime is 11923861. The reversal of 11923841 is 14832911.

11923841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14832911 = 31 ⋅478481.

It is a cyclic number.

It is not a de Polignac number, because 11923841 - 2²² = 7729537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11923831) 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, 100991 + ... + 101108.

It is an arithmetic number, because the mean of its divisors is an integer number (3031500).

Almost surely, 2^11923841 is an apocalyptic number.

It is an amenable number.

11923841 is a deficient number, since it is larger than the sum of its proper divisors (202159).

11923841 is an equidigital number, since it uses as much as digits as its factorization.

11923841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202158.

The product of its digits is 1728, while the sum is 29.

The square root of 11923841 is about 3453.0915134123. The cubic root of 11923841 is about 228.4574853030.

The spelling of 11923841 in words is "eleven million, nine hundred twenty-three thousand, eight hundred forty-one".