16217324923 has 8 divisors (see below), whose sum is σ = 17532243920. Its totient is φ = 14948543520.

The previous prime is 16217324839. The next prime is 16217324927. The reversal of 16217324923 is 32942371261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16217324923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16217324927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11533668 + ... + 11535073.

It is an arithmetic number, because the mean of its divisors is an integer number (2191530490).

Almost surely, 2^16217324923 is an apocalyptic number.

16217324923 is a deficient number, since it is larger than the sum of its proper divisors (1314918997).

16217324923 is a wasteful number, since it uses less digits than its factorization.

16217324923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23068797.

The product of its digits is 108864, while the sum is 40.

The spelling of 16217324923 in words is "sixteen billion, two hundred seventeen million, three hundred twenty-four thousand, nine hundred twenty-three".