340332543 has 8 divisors (see below), whose sum is σ = 504196400. Its totient is φ = 226888344.

The previous prime is 340332527. The next prime is 340332563. The reversal of 340332543 is 345233043.

It is a happy number.

340332543 is a `hidden beast` number, since 3 + 403 + 3 + 254 + 3 = 666.

It is not a de Polignac number, because 340332543 - 2⁴ = 340332527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12604909 = 340332543 / (3 + 4 + 0 + 3 + 3 + 2 + 5 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340332563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302428 + ... + 6302481.

It is an arithmetic number, because the mean of its divisors is an integer number (63024550).

Almost surely, 2^340332543 is an apocalyptic number.

340332543 is a deficient number, since it is larger than the sum of its proper divisors (163863857).

340332543 is a wasteful number, since it uses less digits than its factorization.

340332543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604918 (or 12604912 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 340332543 is about 18448.1040489260. The cubic root of 340332543 is about 698.1806790281.

Adding to 340332543 its reverse (345233043), we get a palindrome (685565586).

The spelling of 340332543 in words is "three hundred forty million, three hundred thirty-two thousand, five hundred forty-three".