340133243 has 2 divisors, whose sum is σ = 340133244. Its totient is φ = 340133242.

The previous prime is 340133237. The next prime is 340133251. The reversal of 340133243 is 342331043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340133243 - 2⁶ = 340133179 is a prime.

It is not a weakly prime, because it can be changed into another prime (340133273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170066621 + 170066622.

It is an arithmetic number, because the mean of its divisors is an integer number (170066622).

Almost surely, 2^340133243 is an apocalyptic number.

340133243 is a deficient number, since it is larger than the sum of its proper divisors (1).

340133243 is an equidigital number, since it uses as much as digits as its factorization.

340133243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 340133243 is about 18442.7016187976. The cubic root of 340133243 is about 698.0443666842.

Adding to 340133243 its reverse (342331043), we get a palindrome (682464286).

The spelling of 340133243 in words is "three hundred forty million, one hundred thirty-three thousand, two hundred forty-three".