23087 has 2 divisors, whose sum is σ = 23088. Its totient is φ = 23086.

The previous prime is 23081. The next prime is 23099. The reversal of 23087 is 78032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23087 - 2⁴ = 23071 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 (23081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11543 + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (11544).

2²³⁰⁸⁷ is an apocalyptic number.

23087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23087 is an equidigital number, since it uses as much as digits as its factorization.

23087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23087 is about 151.9440686569. The cubic root of 23087 is about 28.4744821349.

Subtracting 23087 from its reverse (78032), we obtain a palindrome (54945).

The spelling of 23087 in words is "twenty-three thousand, eighty-seven".