340423011443 has 4 divisors (see below), whose sum is σ = 343728089328. Its totient is φ = 337117933560.

The previous prime is 340423011367. The next prime is 340423011449. The reversal of 340423011443 is 344110324043.

It is a happy number.

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 340423011443 - 2²⁸ = 340154575987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340423011449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652538788 + ... + 1652538993.

It is an arithmetic number, because the mean of its divisors is an integer number (85932022332).

Almost surely, 2^340423011443 is an apocalyptic number.

340423011443 is a deficient number, since it is larger than the sum of its proper divisors (3305077885).

340423011443 is a wasteful number, since it uses less digits than its factorization.

340423011443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305077884.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 340423011443 its reverse (344110324043), we get a palindrome (684533335486).

The spelling of 340423011443 in words is "three hundred forty billion, four hundred twenty-three million, eleven thousand, four hundred forty-three".