340123115 has 4 divisors (see below), whose sum is σ = 408147744. Its totient is φ = 272098488.

The previous prime is 340123109. The next prime is 340123139. The reversal of 340123115 is 511321043.

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 340123115 - 2⁴ = 340123099 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 34012307 + ... + 34012316.

It is an arithmetic number, because the mean of its divisors is an integer number (102036936).

Almost surely, 2^340123115 is an apocalyptic number.

340123115 is a deficient number, since it is larger than the sum of its proper divisors (68024629).

340123115 is an equidigital number, since it uses as much as digits as its factorization.

340123115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68024628.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 340123115 is about 18442.4270365915. The cubic root of 340123115 is about 698.0374381607.

Adding to 340123115 its reverse (511321043), we get a palindrome (851444158).

The spelling of 340123115 in words is "three hundred forty million, one hundred twenty-three thousand, one hundred fifteen".