23971841 has 4 divisors (see below), whose sum is σ = 24364884. Its totient is φ = 23578800.

The previous prime is 23971817. The next prime is 23971861. The reversal of 23971841 is 14817932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 23001616 = 985^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 23971841 - 2¹⁴ = 23955457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23971861) 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, 196430 + ... + 196551.

It is an arithmetic number, because the mean of its divisors is an integer number (6091221).

Almost surely, 2^23971841 is an apocalyptic number.

It is an amenable number.

23971841 is a deficient number, since it is larger than the sum of its proper divisors (393043).

23971841 is an equidigital number, since it uses as much as digits as its factorization.

23971841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393042.

The product of its digits is 12096, while the sum is 35.

The square root of 23971841 is about 4896.1046761686. The cubic root of 23971841 is about 288.3370579521.

The spelling of 23971841 in words is "twenty-three million, nine hundred seventy-one thousand, eight hundred forty-one".