16723816923073 has 8 divisors (see below), whose sum is σ = 18188583829416. Its totient is φ = 15284524224000.

The previous prime is 16723816922987. The next prime is 16723816923097. The reversal of 16723816923073 is 37032961832761.

It can be written as a sum of positive squares in 4 ways, for example, as 7344224660529 + 9379592262544 = 2710023^2 + 3062612^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16723816923073 - 2⁴¹ = 14524793667521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16723816922999 and 16723816923017.

It is not an unprimeable number, because it can be changed into a prime (16723816423073) 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, 6368550448 + ... + 6368553073.

It is an arithmetic number, because the mean of its divisors is an integer number (2273572978677).

Almost surely, 2^{16723816923073} is an apocalyptic number.

16723816923073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16723816923073 is a deficient number, since it is larger than the sum of its proper divisors (1464766906343).

16723816923073 is a wasteful number, since it uses less digits than its factorization.

16723816923073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737103635.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 16723816923073 in words is "sixteen trillion, seven hundred twenty-three billion, eight hundred sixteen million, nine hundred twenty-three thousand, seventy-three".