323228133855 has 128 divisors (see below), whose sum is σ = 672312960000. Its totient is φ = 145666460160.

The previous prime is 323228133847. The next prime is 323228133857. The reversal of 323228133855 is 558331822323.

323228133855 is a `hidden beast` number, since 3 + 2 + 32 + 281 + 338 + 5 + 5 = 666.

It is not a de Polignac number, because 323228133855 - 2³ = 323228133847 is a prime.

It is a super-2 number, since 2×323228133855² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 323228133855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323228133857) 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 127 ways as a sum of consecutive naturals, for example, 1387321 + ... + 1603469.

It is an arithmetic number, because the mean of its divisors is an integer number (5252445000).

Almost surely, 2^323228133855 is an apocalyptic number.

323228133855 is an abundant number, since it is smaller than the sum of its proper divisors (349084826145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323228133855 is a wasteful number, since it uses less digits than its factorization.

323228133855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216246 (or 216240 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 323228133855 in words is "three hundred twenty-three billion, two hundred twenty-eight million, one hundred thirty-three thousand, eight hundred fifty-five".