171983043 has 12 divisors (see below), whose sum is σ = 248535040. Its totient is φ = 114602256.

The previous prime is 171983027. The next prime is 171983047. The reversal of 171983043 is 340389171.

It is a happy number.

It is not a de Polignac number, because 171983043 - 2⁴ = 171983027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171982989 and 171983007.

It is not an unprimeable number, because it can be changed into a prime (171983047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31038 + ... + 36156.

Almost surely, 2^171983043 is an apocalyptic number.

171983043 is a deficient number, since it is larger than the sum of its proper divisors (76551997).

171983043 is a wasteful number, since it uses less digits than its factorization.

171983043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858 (or 8855 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 171983043 is about 13114.2305531053. The cubic root of 171983043 is about 556.1115002906. Note that the first 3 decimals are identical.

The spelling of 171983043 in words is "one hundred seventy-one million, nine hundred eighty-three thousand, forty-three".