853323357 has 4 divisors (see below), whose sum is σ = 1137764480. Its totient is φ = 568882236.

The previous prime is 853323337. The next prime is 853323397. The reversal of 853323357 is 753323358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 853323357 - 2⁶ = 853323293 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 (853323337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142220557 + ... + 142220562.

It is an arithmetic number, because the mean of its divisors is an integer number (284441120).

Almost surely, 2^853323357 is an apocalyptic number.

It is an amenable number.

853323357 is a deficient number, since it is larger than the sum of its proper divisors (284441123).

853323357 is a wasteful number, since it uses less digits than its factorization.

853323357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284441122.

The product of its digits is 226800, while the sum is 39.

The square root of 853323357 is about 29211.6989748970. The cubic root of 853323357 is about 948.5011848545.

Subtracting from 853323357 its reverse (753323358), we obtain a palindrome (99999999).

The spelling of 853323357 in words is "eight hundred fifty-three million, three hundred twenty-three thousand, three hundred fifty-seven".