173143013 has 8 divisors (see below), whose sum is σ = 175612320. Its totient is φ = 170689680.

The previous prime is 173142961. The next prime is 173143031. The reversal of 173143013 is 310341371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173143013 - 2¹⁰ = 173141989 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 173143013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173143043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18743 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (21951540).

Almost surely, 2^173143013 is an apocalyptic number.

It is an amenable number.

173143013 is a deficient number, since it is larger than the sum of its proper divisors (2469307).

173143013 is a wasteful number, since it uses less digits than its factorization.

173143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 173143013 is about 13158.3818534043. The cubic root of 173143013 is about 557.3589639685.

Adding to 173143013 its reverse (310341371), we get a palindrome (483484384).

It can be divided in two parts, 1731 and 43013, that added together give a palindrome (44744).

The spelling of 173143013 in words is "one hundred seventy-three million, one hundred forty-three thousand, thirteen".