340303353 has 16 divisors (see below), whose sum is σ = 490229376. Its totient is φ = 208736640.

The previous prime is 340303351. The next prime is 340303387. The reversal of 340303353 is 353303043.

It is a happy number.

It is not a de Polignac number, because 340303353 - 2¹ = 340303351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340303351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900 + ... + 26157.

It is an arithmetic number, because the mean of its divisors is an integer number (30639336).

Almost surely, 2^340303353 is an apocalyptic number.

It is an amenable number.

340303353 is a deficient number, since it is larger than the sum of its proper divisors (149926023).

340303353 is a wasteful number, since it uses less digits than its factorization.

340303353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28384.

The product of its (nonzero) digits is 4860, while the sum is 24.

The square root of 340303353 is about 18447.3128937523. The cubic root of 340303353 is about 698.1607176922.

Adding to 340303353 its reverse (353303043), we get a palindrome (693606396).

The spelling of 340303353 in words is "three hundred forty million, three hundred three thousand, three hundred fifty-three".