23655 has 16 divisors (see below), whose sum is σ = 40320. Its totient is φ = 11808.

The previous prime is 23633. The next prime is 23663. The reversal of 23655 is 55632.

It is not a de Polignac number, because 23655 - 2⁵ = 23623 is a prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 23655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (2520).

2²³⁶⁵⁵ is an apocalyptic number.

23655 is a deficient number, since it is larger than the sum of its proper divisors (16665).

23655 is a wasteful number, since it uses less digits than its factorization.

23655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110.

The product of its digits is 900, while the sum is 21.

The square root of 23655 is about 153.8018205354. The cubic root of 23655 is about 28.7061081990.

The spelling of 23655 in words is "twenty-three thousand, six hundred fifty-five".