19323953306 has 24 divisors (see below), whose sum is σ = 35492978880. Its totient is φ = 7845814872.

The previous prime is 19323953303. The next prime is 19323953317. The reversal of 19323953306 is 60335932391.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19323953303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5187170 + ... + 5190893.

It is an arithmetic number, because the mean of its divisors is an integer number (1478874120).

Almost surely, 2^19323953306 is an apocalyptic number.

19323953306 is a deficient number, since it is larger than the sum of its proper divisors (16169025574).

19323953306 is a wasteful number, since it uses less digits than its factorization.

19323953306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378098 (or 10378091 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 44.

The spelling of 19323953306 in words is "nineteen billion, three hundred twenty-three million, nine hundred fifty-three thousand, three hundred six".