682723 has 2 divisors, whose sum is σ = 682724. Its totient is φ = 682722.

The previous prime is 682699. The next prime is 682729. The reversal of 682723 is 327286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 682723 - 2¹⁷ = 551651 is a prime.

It is a super-2 number, since 2×682723² = 932221389458, which contains 22 as substring.

682723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 682691 and 682700.

It is not a weakly prime, because it can be changed into another prime (682729) 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 as a sum of consecutive naturals, namely, 341361 + 341362.

It is an arithmetic number, because the mean of its divisors is an integer number (341362).

2⁶⁸²⁷²³ is an apocalyptic number.

682723 is a deficient number, since it is larger than the sum of its proper divisors (1).

682723 is an equidigital number, since it uses as much as digits as its factorization.

682723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 682723 is about 826.2705368098. The cubic root of 682723 is about 88.0538152238.

The spelling of 682723 in words is "six hundred eighty-two thousand, seven hundred twenty-three".