173442983 has 4 divisors (see below), whose sum is σ = 198220560. Its totient is φ = 148665408.

The previous prime is 173442953. The next prime is 173442991. The reversal of 173442983 is 389244371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 173442983 - 2⁸ = 173442727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 173442983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173442943) 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, 12388778 + ... + 12388791.

It is an arithmetic number, because the mean of its divisors is an integer number (49555140).

Almost surely, 2^173442983 is an apocalyptic number.

173442983 is a deficient number, since it is larger than the sum of its proper divisors (24777577).

173442983 is an equidigital number, since it uses as much as digits as its factorization.

173442983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24777576.

The product of its digits is 145152, while the sum is 41.

The square root of 173442983 is about 13169.7753587523. The cubic root of 173442983 is about 557.6806527768.

The spelling of 173442983 in words is "one hundred seventy-three million, four hundred forty-two thousand, nine hundred eighty-three".