170340043 has 2 divisors, whose sum is σ = 170340044. Its totient is φ = 170340042.

The previous prime is 170340029. The next prime is 170340059. The reversal of 170340043 is 340043071.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170340043 - 2⁵ = 170340011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 170339996 and 170340023.

It is not a weakly prime, because it can be changed into another prime (170340013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85170021 + 85170022.

It is an arithmetic number, because the mean of its divisors is an integer number (85170022).

Almost surely, 2^170340043 is an apocalyptic number.

170340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

170340043 is an equidigital number, since it uses as much as digits as its factorization.

170340043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 170340043 is about 13051.4383498525. The cubic root of 170340043 is about 554.3349369368.

The spelling of 170340043 in words is "one hundred seventy million, three hundred forty thousand, forty-three".