340123005 has 12 divisors (see below), whose sum is σ = 589546620. Its totient is φ = 181398912.

The previous prime is 340122989. The next prime is 340123033. The reversal of 340123005 is 500321043.

It can be written as a sum of positive squares in 2 ways, for example, as 174794841 + 165328164 = 13221^2 + 12858^2 .

It is not a de Polignac number, because 340123005 - 2⁴ = 340122989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3779100 + ... + 3779189.

It is an arithmetic number, because the mean of its divisors is an integer number (49128885).

Almost surely, 2^340123005 is an apocalyptic number.

It is an amenable number.

340123005 is a deficient number, since it is larger than the sum of its proper divisors (249423615).

340123005 is a wasteful number, since it uses less digits than its factorization.

340123005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558300 (or 7558297 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 340123005 is about 18442.4240543373. The cubic root of 340123005 is about 698.0373629094.

Adding to 340123005 its reverse (500321043), we get a palindrome (840444048).

The spelling of 340123005 in words is "three hundred forty million, one hundred twenty-three thousand, five".