17964291923 has 4 divisors (see below), whose sum is σ = 17965027248. Its totient is φ = 17963556600.

The previous prime is 17964291883. The next prime is 17964291937. The reversal of 17964291923 is 32919246971.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17964291923 - 2¹⁰ = 17964290899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17964291623) 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 3 ways as a sum of consecutive naturals, for example, 329711 + ... + 380312.

It is an arithmetic number, because the mean of its divisors is an integer number (4491256812).

Almost surely, 2^17964291923 is an apocalyptic number.

17964291923 is a deficient number, since it is larger than the sum of its proper divisors (735325).

17964291923 is an equidigital number, since it uses as much as digits as its factorization.

17964291923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735324.

The product of its digits is 1469664, while the sum is 53.

The spelling of 17964291923 in words is "seventeen billion, nine hundred sixty-four million, two hundred ninety-one thousand, nine hundred twenty-three".