23255 has 4 divisors (see below), whose sum is σ = 27912. Its totient is φ = 18600.

The previous prime is 23251. The next prime is 23269. The reversal of 23255 is 55232.

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

It is not a de Polignac number, because 23255 - 2² = 23251 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

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 23255.

It is not an unprimeable number, because it can be changed into a prime (23251) 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, 2321 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (6978).

2²³²⁵⁵ is an apocalyptic number.

23255 is a deficient number, since it is larger than the sum of its proper divisors (4657).

23255 is an equidigital number, since it uses as much as digits as its factorization.

23255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its digits is 300, while the sum is 17.

The square root of 23255 is about 152.4959015843. The cubic root of 23255 is about 28.5433831943.

Adding to 23255 its reverse (55232), we get a palindrome (78487).

The spelling of 23255 in words is "twenty-three thousand, two hundred fifty-five".