328136823 has 12 divisors (see below), whose sum is σ = 541686288. Its totient is φ = 187506720.

The previous prime is 328136813. The next prime is 328136857. The reversal of 328136823 is 328631823.

It is not a de Polignac number, because 328136823 - 2⁶ = 328136759 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328136803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2604198 + ... + 2604323.

It is an arithmetic number, because the mean of its divisors is an integer number (45140524).

Almost surely, 2^328136823 is an apocalyptic number.

328136823 is a deficient number, since it is larger than the sum of its proper divisors (213549465).

328136823 is a wasteful number, since it uses less digits than its factorization.

328136823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208534 (or 5208531 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 328136823 is about 18114.5472756015. The cubic root of 328136823 is about 689.7393281254.

It can be divided in two parts, 3281 and 36823, that added together give a palindrome (40104).

The spelling of 328136823 in words is "three hundred twenty-eight million, one hundred thirty-six thousand, eight hundred twenty-three".