344140043 has 4 divisors (see below), whose sum is σ = 370612368. Its totient is φ = 317667720.

The previous prime is 344140033. The next prime is 344140079. The reversal of 344140043 is 340041443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344140043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344140033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13236143 + ... + 13236168.

It is an arithmetic number, because the mean of its divisors is an integer number (92653092).

Almost surely, 2^344140043 is an apocalyptic number.

344140043 is a deficient number, since it is larger than the sum of its proper divisors (26472325).

344140043 is a wasteful number, since it uses less digits than its factorization.

344140043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26472324.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344140043 is about 18551.0119131006. The cubic root of 344140043 is about 700.7746818082.

Adding to 344140043 its reverse (340041443), we get a palindrome (684181486).

It can be divided in two parts, 3441400 and 43, that added together give a palindrome (3441443).

The spelling of 344140043 in words is "three hundred forty-four million, one hundred forty thousand, forty-three".