23438841 has 4 divisors (see below), whose sum is σ = 31251792. Its totient is φ = 15625892.

The previous prime is 23438819. The next prime is 23438843. The reversal of 23438841 is 14883432.

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 a de Polignac number, because none of the positive numbers 2^k-23438841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23438843) 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, 3906471 + ... + 3906476.

It is an arithmetic number, because the mean of its divisors is an integer number (7812948).

Almost surely, 2^23438841 is an apocalyptic number.

It is an amenable number.

23438841 is a deficient number, since it is larger than the sum of its proper divisors (7812951).

23438841 is an equidigital number, since it uses as much as digits as its factorization.

23438841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812950.

The product of its digits is 18432, while the sum is 33.

The square root of 23438841 is about 4841.3676786627. The cubic root of 23438841 is about 286.1840185317.

The spelling of 23438841 in words is "twenty-three million, four hundred thirty-eight thousand, eight hundred forty-one".