19323820328 has 16 divisors (see below), whose sum is σ = 37481548500. Its totient is φ = 9328740736.

The previous prime is 19323820301. The next prime is 19323820381. The reversal of 19323820328 is 82302832391.

It can be written as a sum of positive squares in 2 ways, for example, as 19303767844 + 20052484 = 138938^2 + 4478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41645933 + ... + 41646396.

Almost surely, 2^19323820328 is an apocalyptic number.

It is an amenable number.

19323820328 is a deficient number, since it is larger than the sum of its proper divisors (18157728172).

19323820328 is a wasteful number, since it uses less digits than its factorization.

19323820328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83292364 (or 83292360 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 19323820328 in words is "nineteen billion, three hundred twenty-three million, eight hundred twenty thousand, three hundred twenty-eight".