2173723504 has 20 divisors (see below), whose sum is σ = 4270909680. Its totient is φ = 1071553280.

The previous prime is 2173723499. The next prime is 2173723523. The reversal of 2173723504 is 4053273712.

It is a self number, because there is not a number n which added to its sum of digits gives 2173723504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955609 + ... + 957880.

It is an arithmetic number, because the mean of its divisors is an integer number (213545484).

Almost surely, 2^2173723504 is an apocalyptic number.

It is an amenable number.

2173723504 is a deficient number, since it is larger than the sum of its proper divisors (2097186176).

2173723504 is a wasteful number, since it uses less digits than its factorization.

2173723504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913568 (or 1913562 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 2173723504 is about 46623.2077832489. The cubic root of 2173723504 is about 1295.3926655687.

The spelling of 2173723504 in words is "two billion, one hundred seventy-three million, seven hundred twenty-three thousand, five hundred four".