340330143 has 4 divisors (see below), whose sum is σ = 453773528. Its totient is φ = 226886760.

The previous prime is 340330141. The next prime is 340330171. The reversal of 340330143 is 341033043.

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

It is not a de Polignac number, because 340330143 - 2¹ = 340330141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340330141) 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 3 ways as a sum of consecutive naturals, for example, 56721688 + ... + 56721693.

It is an arithmetic number, because the mean of its divisors is an integer number (113443382).

Almost surely, 2^340330143 is an apocalyptic number.

340330143 is a deficient number, since it is larger than the sum of its proper divisors (113443385).

340330143 is a wasteful number, since it uses less digits than its factorization.

340330143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113443384.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 340330143 is about 18448.0390014766. The cubic root of 340330143 is about 698.1790378514.

Adding to 340330143 its reverse (341033043), we get a palindrome (681363186).

The spelling of 340330143 in words is "three hundred forty million, three hundred thirty thousand, one hundred forty-three".