853485234823 has 8 divisors (see below), whose sum is σ = 967513626800. Its totient is φ = 746367654528.

The previous prime is 853485234817. The next prime is 853485234851. The reversal of 853485234823 is 328432584358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853485234823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853485234023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727702658 + ... + 1727703151.

It is an arithmetic number, because the mean of its divisors is an integer number (120939203350).

Almost surely, 2^853485234823 is an apocalyptic number.

853485234823 is a deficient number, since it is larger than the sum of its proper divisors (114028391977).

853485234823 is a wasteful number, since it uses less digits than its factorization.

853485234823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455405841.

The product of its digits is 22118400, while the sum is 55.

The spelling of 853485234823 in words is "eight hundred fifty-three billion, four hundred eighty-five million, two hundred thirty-four thousand, eight hundred twenty-three".