173830993 has 4 divisors (see below), whose sum is σ = 198664000. Its totient is φ = 148997988.

The previous prime is 173830931. The next prime is 173831011. The reversal of 173830993 is 399038371.

173830993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 173830993 - 2¹³ = 173822801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173830903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12416493 + ... + 12416506.

It is an arithmetic number, because the mean of its divisors is an integer number (49666000).

Almost surely, 2^173830993 is an apocalyptic number.

It is an amenable number.

173830993 is a deficient number, since it is larger than the sum of its proper divisors (24833007).

173830993 is an equidigital number, since it uses as much as digits as its factorization.

173830993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24833006.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 173830993 is about 13184.4982081231. The cubic root of 173830993 is about 558.0962062679.

The spelling of 173830993 in words is "one hundred seventy-three million, eight hundred thirty thousand, nine hundred ninety-three".