276423 has 8 divisors (see below), whose sum is σ = 421248. Its totient is φ = 157944.

The previous prime is 276401. The next prime is 276439. The reversal of 276423 is 324672.

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

It is not a de Polignac number, because 276423 - 2⁶ = 276359 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 276393 and 276402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6561 + ... + 6602.

It is an arithmetic number, because the mean of its divisors is an integer number (52656).

2²⁷⁶⁴²³ is an apocalyptic number.

276423 is a deficient number, since it is larger than the sum of its proper divisors (144825).

276423 is a wasteful number, since it uses less digits than its factorization.

276423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13173.

The product of its digits is 2016, while the sum is 24.

The square root of 276423 is about 525.7594506997. The cubic root of 276423 is about 65.1415455865.

The spelling of 276423 in words is "two hundred seventy-six thousand, four hundred twenty-three".