65223 has 6 divisors (see below), whose sum is σ = 94224. Its totient is φ = 43476.

The previous prime is 65213. The next prime is 65239. The reversal of 65223 is 32256.

It is a de Polignac number, because none of the positive numbers 2^k-65223 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 65196 and 65205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3615 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (15704).

2⁶⁵²²³ is an apocalyptic number.

65223 is a deficient number, since it is larger than the sum of its proper divisors (29001).

65223 is a wasteful number, since it uses less digits than its factorization.

65223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7250 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 65223 is about 255.3879402008. The cubic root of 65223 is about 40.2531857103.

Adding to 65223 its reverse (32256), we get a palindrome (97479).

The spelling of 65223 in words is "sixty-five thousand, two hundred twenty-three".