163605823023 has 8 divisors (see below), whose sum is σ = 218152528048. Its totient is φ = 109064833344.

The previous prime is 163605822959. The next prime is 163605823033. The reversal of 163605823023 is 320328506361.

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

It is not a de Polignac number, because 163605823023 - 2⁶ = 163605822959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163605823033) 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, 1361590 + ... + 1476867.

It is an arithmetic number, because the mean of its divisors is an integer number (27269066006).

Almost surely, 2^163605823023 is an apocalyptic number.

163605823023 is a deficient number, since it is larger than the sum of its proper divisors (54546705025).

163605823023 is a wasteful number, since it uses less digits than its factorization.

163605823023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857673.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 163605823023 in words is "one hundred sixty-three billion, six hundred five million, eight hundred twenty-three thousand, twenty-three".