340565043 has 40 divisors (see below), whose sum is σ = 570642128. Its totient is φ = 179589312.

The previous prime is 340564999. The next prime is 340565081.

340565043 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 340565043 - 2⁸ = 340564787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340565043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340565143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91821 + ... + 95457.

Almost surely, 2^340565043 is an apocalyptic number.

340565043 is a deficient number, since it is larger than the sum of its proper divisors (230077085).

340565043 is an equidigital number, since it uses as much as digits as its factorization.

340565043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 340565043 is about 18454.4044336305. The cubic root of 340565043 is about 698.3396314610.

The spelling of 340565043 in words is "three hundred forty million, five hundred sixty-five thousand, forty-three".