276223 has 4 divisors (see below), whose sum is σ = 277488. Its totient is φ = 274960.

The previous prime is 276209. The next prime is 276229. The reversal of 276223 is 322672.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 276223 - 2⁵ = 276191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276194 and 276203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (69372).

2²⁷⁶²²³ is an apocalyptic number.

276223 is a deficient number, since it is larger than the sum of its proper divisors (1265).

276223 is an equidigital number, since it uses as much as digits as its factorization.

276223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its digits is 1008, while the sum is 22.

The square root of 276223 is about 525.5692152324. The cubic root of 276223 is about 65.1258312013.

Adding to 276223 its reverse (322672), we get a palindrome (598895).

The spelling of 276223 in words is "two hundred seventy-six thousand, two hundred twenty-three".