340103123 has 2 divisors, whose sum is σ = 340103124. Its totient is φ = 340103122.

The previous prime is 340103107. The next prime is 340103129. The reversal of 340103123 is 321301043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340103123 - 2⁴ = 340103107 is a prime.

It is not a weakly prime, because it can be changed into another prime (340103129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170051561 + 170051562.

It is an arithmetic number, because the mean of its divisors is an integer number (170051562).

Almost surely, 2^340103123 is an apocalyptic number.

340103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

340103123 is an equidigital number, since it uses as much as digits as its factorization.

340103123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 340103123 is about 18441.8850175355. The cubic root of 340103123 is about 698.0237613113.

Adding to 340103123 its reverse (321301043), we get a palindrome (661404166).

The spelling of 340103123 in words is "three hundred forty million, one hundred three thousand, one hundred twenty-three".