23886881 has 2 divisors, whose sum is σ = 23886882. Its totient is φ = 23886880.

The previous prime is 23886869. The next prime is 23886883. The reversal of 23886881 is 18868832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 654481 = 4820^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 23886881 - 2¹⁸ = 23624737 is a prime.

It is a super-2 number, since 2×23886881² = 1141166167816322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23886883, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23886883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943440 + 11943441.

It is an arithmetic number, because the mean of its divisors is an integer number (11943441).

Almost surely, 2^23886881 is an apocalyptic number.

It is an amenable number.

23886881 is a deficient number, since it is larger than the sum of its proper divisors (1).

23886881 is an equidigital number, since it uses as much as digits as its factorization.

23886881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 44.

The square root of 23886881 is about 4887.4206898936. The cubic root of 23886881 is about 287.9960173382.

It can be divided in two parts, 2 and 3886881, that added together give a palindrome (3886883).

The spelling of 23886881 in words is "twenty-three million, eight hundred eighty-six thousand, eight hundred eighty-one".