16923108017203 has 2 divisors, whose sum is σ = 16923108017204. Its totient is φ = 16923108017202.

The previous prime is 16923108017159. The next prime is 16923108017237. The reversal of 16923108017203 is 30271080132961.

It is a strong prime.

It is an emirp because it is prime and its reverse (30271080132961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16923108017203 - 2¹³ = 16923108009011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16923108017203.

It is not a weakly prime, because it can be changed into another prime (16923108017243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8461554008601 + 8461554008602.

It is an arithmetic number, because the mean of its divisors is an integer number (8461554008602).

Almost surely, 2^{16923108017203} is an apocalyptic number.

16923108017203 is a deficient number, since it is larger than the sum of its proper divisors (1).

16923108017203 is an equidigital number, since it uses as much as digits as its factorization.

16923108017203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 16923108017203 in words is "sixteen trillion, nine hundred twenty-three billion, one hundred eight million, seventeen thousand, two hundred three".