340313023420403 has 8 divisors (see below), whose sum is σ = 371936801271216. Its totient is φ = 308803617280800.

The previous prime is 340313023420303. The next prime is 340313023420481. The reversal of 340313023420403 is 304024320313043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340313023420403 - 2³⁴ = 340295843551219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340313023420403.

It is not an unprimeable number, because it can be changed into a prime (340313023420303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28592921576 + ... + 28592933477.

It is an arithmetic number, because the mean of its divisors is an integer number (46492100158902).

Almost surely, 2^{340313023420403} is an apocalyptic number.

340313023420403 is a deficient number, since it is larger than the sum of its proper divisors (31623777850813).

340313023420403 is a wasteful number, since it uses less digits than its factorization.

340313023420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57185855605.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 340313023420403 its reverse (304024320313043), we get a palindrome (644337343733446).

The spelling of 340313023420403 in words is "three hundred forty trillion, three hundred thirteen billion, twenty-three million, four hundred twenty thousand, four hundred three".