23943841 has 4 divisors (see below), whose sum is σ = 23979184. Its totient is φ = 23908500.

The previous prime is 23943839. The next prime is 23943859. The reversal of 23943841 is 14834932.

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.

It is a cyclic number.

It is not a de Polignac number, because 23943841 - 2¹ = 23943839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23943797 and 23943806.

It is not an unprimeable number, because it can be changed into a prime (23943041) 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 3 ways as a sum of consecutive naturals, for example, 16635 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (5994796).

Almost surely, 2^23943841 is an apocalyptic number.

It is an amenable number.

23943841 is a deficient number, since it is larger than the sum of its proper divisors (35343).

23943841 is an equidigital number, since it uses as much as digits as its factorization.

23943841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35342.

The product of its digits is 20736, while the sum is 34.

The square root of 23943841 is about 4893.2444247145. The cubic root of 23943841 is about 288.2247514196.

The spelling of 23943841 in words is "twenty-three million, nine hundred forty-three thousand, eight hundred forty-one".