82123267 has 2 divisors, whose sum is σ = 82123268. Its totient is φ = 82123266.

The previous prime is 82123253. The next prime is 82123289. The reversal of 82123267 is 76232128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82123267 - 2¹¹ = 82121219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82123967) 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, 41061633 + 41061634.

It is an arithmetic number, because the mean of its divisors is an integer number (41061634).

Almost surely, 2^82123267 is an apocalyptic number.

82123267 is a deficient number, since it is larger than the sum of its proper divisors (1).

82123267 is an equidigital number, since it uses as much as digits as its factorization.

82123267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 82123267 is about 9062.1888636245. The cubic root of 82123267 is about 434.6657351933.

The spelling of 82123267 in words is "eighty-two million, one hundred twenty-three thousand, two hundred sixty-seven".