23887 has 2 divisors, whose sum is σ = 23888. Its totient is φ = 23886.

The previous prime is 23879. The next prime is 23893. The reversal of 23887 is 78832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23887 - 2³ = 23879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943 + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (11944).

2²³⁸⁸⁷ is an apocalyptic number.

23887 is a deficient number, since it is larger than the sum of its proper divisors (1).

23887 is an equidigital number, since it uses as much as digits as its factorization.

23887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 23887 is about 154.5541976137. The cubic root of 23887 is about 28.7996495585.

Subtracting 23887 from its reverse (78832), we obtain a palindrome (54945).

It can be divided in two parts, 238 and 87, that multiplied together give a triangular number (20706 = T₂₀₃).

The spelling of 23887 in words is "twenty-three thousand, eight hundred eighty-seven".