853940323 has 2 divisors, whose sum is σ = 853940324. Its totient is φ = 853940322.

The previous prime is 853940303. The next prime is 853940363. The reversal of 853940323 is 323049358.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853940323 is a prime.

It is equal to p_43773481 and since 853940323 and 43773481 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (853940303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426970161 + 426970162.

It is an arithmetic number, because the mean of its divisors is an integer number (426970162).

Almost surely, 2^853940323 is an apocalyptic number.

853940323 is a deficient number, since it is larger than the sum of its proper divisors (1).

853940323 is an equidigital number, since it uses as much as digits as its factorization.

853940323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 853940323 is about 29222.2573221166. The cubic root of 853940323 is about 948.7297234654.

The spelling of 853940323 in words is "eight hundred fifty-three million, nine hundred forty thousand, three hundred twenty-three".