2108173002923 has 16 divisors (see below), whose sum is σ = 2284786919520. Its totient is φ = 1945142847648.

The previous prime is 2108173002869. The next prime is 2108173002961. The reversal of 2108173002923 is 3292003718012.

It is a happy number.

It is not a de Polignac number, because 2108173002923 - 2¹⁰ = 2108173001899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108173002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4768961 + ... + 5192237.

It is an arithmetic number, because the mean of its divisors is an integer number (142799182470).

Almost surely, 2^{2108173002923} is an apocalyptic number.

2108173002923 is a deficient number, since it is larger than the sum of its proper divisors (176613916597).

2108173002923 is an equidigital number, since it uses as much as digits as its factorization.

2108173002923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425583 (or 425557 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 2108173002923 in words is "two trillion, one hundred eight billion, one hundred seventy-three million, two thousand, nine hundred twenty-three".