344140311730543 has 8 divisors (see below), whose sum is σ = 352878738854400. Its totient is φ = 335435301154968.

The previous prime is 344140311730513. The next prime is 344140311730549. The reversal of 344140311730543 is 345037113041443.

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 344140311730543 - 2²⁹ = 344139774859631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 344140311730543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344140311730549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8354116213 + ... + 8354157406.

It is an arithmetic number, because the mean of its divisors is an integer number (44109842356800).

Almost surely, 2^{344140311730543} is an apocalyptic number.

344140311730543 is a deficient number, since it is larger than the sum of its proper divisors (8738427123857).

344140311730543 is a wasteful number, since it uses less digits than its factorization.

344140311730543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16708274141.

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 344140311730543 its reverse (345037113041443), we get a palindrome (689177424771986).

The spelling of 344140311730543 in words is "three hundred forty-four trillion, one hundred forty billion, three hundred eleven million, seven hundred thirty thousand, five hundred forty-three".