340144303 has 4 divisors (see below), whose sum is σ = 344803888. Its totient is φ = 335484720.

The previous prime is 340144271. The next prime is 340144331. The reversal of 340144303 is 303441043.

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 340144303 - 2⁵ = 340144271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340142303) 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 in 3 ways as a sum of consecutive naturals, for example, 2329683 + ... + 2329828.

It is an arithmetic number, because the mean of its divisors is an integer number (86200972).

Almost surely, 2^340144303 is an apocalyptic number.

340144303 is a deficient number, since it is larger than the sum of its proper divisors (4659585).

340144303 is an equidigital number, since it uses as much as digits as its factorization.

340144303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659584.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340144303 is about 18443.0014639700. The cubic root of 340144303 is about 698.0519326280.

Adding to 340144303 its reverse (303441043), we get a palindrome (643585346).

The spelling of 340144303 in words is "three hundred forty million, one hundred forty-four thousand, three hundred three".