16703472923 has 4 divisors (see below), whose sum is σ = 16729053168. Its totient is φ = 16677892680.

The previous prime is 16703472901. The next prime is 16703472967. The reversal of 16703472923 is 32927430761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32927430761 = 2269 ⋅14511869.

It is a cyclic number.

It is not a de Polignac number, because 16703472923 - 2¹² = 16703468827 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16703472323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12789143 + ... + 12790448.

It is an arithmetic number, because the mean of its divisors is an integer number (4182263292).

Almost surely, 2^16703472923 is an apocalyptic number.

16703472923 is a deficient number, since it is larger than the sum of its proper divisors (25580245).

16703472923 is an equidigital number, since it uses as much as digits as its factorization.

16703472923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580244.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 16703472923 in words is "sixteen billion, seven hundred three million, four hundred seventy-two thousand, nine hundred twenty-three".