276001223 has 4 divisors (see below), whose sum is σ = 276043440. Its totient is φ = 275959008.

The previous prime is 276001177. The next prime is 276001261. The reversal of 276001223 is 322100672.

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

It is a cyclic number.

It is not a de Polignac number, because 276001223 - 2¹⁰ = 276000199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276006223) 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, 8978 + ... + 25151.

It is an arithmetic number, because the mean of its divisors is an integer number (69010860).

Almost surely, 2^276001223 is an apocalyptic number.

276001223 is a deficient number, since it is larger than the sum of its proper divisors (42217).

276001223 is an equidigital number, since it uses as much as digits as its factorization.

276001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42216.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 276001223 is about 16613.2845337700. The cubic root of 276001223 is about 651.0839688354.

Adding to 276001223 its reverse (322100672), we get a palindrome (598101895).

The spelling of 276001223 in words is "two hundred seventy-six million, one thousand, two hundred twenty-three".