23345 has 16 divisors (see below), whose sum is σ = 34560. Its totient is φ = 14784.

The previous prime is 23339. The next prime is 23357. The reversal of 23345 is 54332.

It is not a de Polignac number, because 23345 - 2¹² = 19249 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 3⁵ + 3⁸ + 4⁷ + 5³ .

It is a Curzon number.

It is a plaindrome in base 10.

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, 791 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (2160).

2²³³⁴⁵ is an apocalyptic number.

It is an amenable number.

23345 is a deficient number, since it is larger than the sum of its proper divisors (11215).

23345 is a wasteful number, since it uses less digits than its factorization.

23345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64.

The product of its digits is 360, while the sum is 17.

The square root of 23345 is about 152.7907065237. The cubic root of 23345 is about 28.5801580469.

Adding to 23345 its reverse (54332), we get a palindrome (77677).

The spelling of 23345 in words is "twenty-three thousand, three hundred forty-five".