276623 has 2 divisors, whose sum is σ = 276624. Its totient is φ = 276622.

The previous prime is 276599. The next prime is 276629. The reversal of 276623 is 326672.

276623 is nontrivially palindromic in base 6.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276623 - 2¹⁰ = 275599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276592 and 276601.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276623.

It is not a weakly prime, because it can be changed into another prime (276629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138311 + 138312.

It is an arithmetic number, because the mean of its divisors is an integer number (138312).

2²⁷⁶⁶²³ is an apocalyptic number.

276623 is a deficient number, since it is larger than the sum of its proper divisors (1).

276623 is an equidigital number, since it uses as much as digits as its factorization.

276623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 276623 is about 525.9496173589. The cubic root of 276623 is about 65.1572523937.

The spelling of 276623 in words is "two hundred seventy-six thousand, six hundred twenty-three".