853397323 has 2 divisors, whose sum is σ = 853397324. Its totient is φ = 853397322.

The previous prime is 853397309. The next prime is 853397339. The reversal of 853397323 is 323793358.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853397323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853397323.

It is not a weakly prime, because it can be changed into another prime (853397353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426698661 + 426698662.

It is an arithmetic number, because the mean of its divisors is an integer number (426698662).

Almost surely, 2^853397323 is an apocalyptic number.

853397323 is a deficient number, since it is larger than the sum of its proper divisors (1).

853397323 is an equidigital number, since it uses as much as digits as its factorization.

853397323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 853397323 is about 29212.9649813229. The cubic root of 853397323 is about 948.5285893982.

The spelling of 853397323 in words is "eight hundred fifty-three million, three hundred ninety-seven thousand, three hundred twenty-three".