2173885423 has 8 divisors (see below), whose sum is σ = 2202393600. Its totient is φ = 2145402168.

The previous prime is 2173885393. The next prime is 2173885429. The reversal of 2173885423 is 3245883712.

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 2173885423 - 2⁵ = 2173885391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2173885423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173885429) 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, 224598 + ... + 234076.

It is an arithmetic number, because the mean of its divisors is an integer number (275299200).

Almost surely, 2^2173885423 is an apocalyptic number.

2173885423 is a deficient number, since it is larger than the sum of its proper divisors (28508177).

2173885423 is an equidigital number, since it uses as much as digits as its factorization.

2173885423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12461.

The product of its digits is 322560, while the sum is 43.

The square root of 2173885423 is about 46624.9442144438. The cubic root of 2173885423 is about 1295.4248290394.

The spelling of 2173885423 in words is "two billion, one hundred seventy-three million, eight hundred eighty-five thousand, four hundred twenty-three".