173723047680 has 1728 divisors, whose sum is σ = 751616409600. Its totient is φ = 33814609920.

The previous prime is 173723047633. The next prime is 173723047717. The reversal of 173723047680 is 86740327371.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2199025881 + ... + 2199025959.

It is an arithmetic number, because the mean of its divisors is an integer number (434963200).

Almost surely, 2^173723047680 is an apocalyptic number.

173723047680 is a gapful number since it is divisible by the number (10) 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 173723047680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375808204800).

173723047680 is an abundant number, since it is smaller than the sum of its proper divisors (577893361920).

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

173723047680 is a wasteful number, since it uses less digits than its factorization.

173723047680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 173723047680 in words is "one hundred seventy-three billion, seven hundred twenty-three million, forty-seven thousand, six hundred eighty".