173923056 has 120 divisors (see below), whose sum is σ = 537956640. Its totient is φ = 52174848.

The previous prime is 173922997. The next prime is 173923069. The reversal of 173923056 is 650329371.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 173923056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54760 + ... + 57848.

It is an arithmetic number, because the mean of its divisors is an integer number (4482972).

Almost surely, 2^173923056 is an apocalyptic number.

173923056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173923056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268978320).

173923056 is an abundant number, since it is smaller than the sum of its proper divisors (364033584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173923056 is a wasteful number, since it uses less digits than its factorization.

173923056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 173923056 is about 13187.9890809782. The cubic root of 173923056 is about 558.1947137172.

The spelling of 173923056 in words is "one hundred seventy-three million, nine hundred twenty-three thousand, fifty-six".