23318 has 8 divisors (see below), whose sum is σ = 35640. Its totient is φ = 11440.

The previous prime is 23311. The next prime is 23321. The reversal of 23318 is 81332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23296 and 23305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311) 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, 113 + ... + 243.

It is an arithmetic number, because the mean of its divisors is an integer number (4455).

2²³³¹⁸ is an apocalyptic number.

23318 is a deficient number, since it is larger than the sum of its proper divisors (12322).

23318 is a wasteful number, since it uses less digits than its factorization.

23318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its digits is 144, while the sum is 17.

The square root of 23318 is about 152.7023248022. The cubic root of 23318 is about 28.5691355303.

The spelling of 23318 in words is "twenty-three thousand, three hundred eighteen".