340432043 has 8 divisors (see below), whose sum is σ = 389203680. Its totient is φ = 291695040.

The previous prime is 340432019. The next prime is 340432129. The reversal of 340432043 is 340234043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340432043 - 2⁸ = 340431787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340432843) 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 7 ways as a sum of consecutive naturals, for example, 17813 + ... + 31593.

It is an arithmetic number, because the mean of its divisors is an integer number (48650460).

Almost surely, 2^340432043 is an apocalyptic number.

340432043 is a deficient number, since it is larger than the sum of its proper divisors (48771637).

340432043 is a wasteful number, since it uses less digits than its factorization.

340432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340432043 is about 18450.8006059358. The cubic root of 340432043 is about 698.2487126912.

Adding to 340432043 its reverse (340234043), we get a palindrome (680666086).

The spelling of 340432043 in words is "three hundred forty million, four hundred thirty-two thousand, forty-three".