342320043 has 16 divisors (see below), whose sum is σ = 493154816. Its totient is φ = 209964960.

The previous prime is 342320023. The next prime is 342320087. The reversal of 342320043 is 340023243.

It is a de Polignac number, because none of the positive numbers 2^k-342320043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342320003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323 + ... + 26268.

It is an arithmetic number, because the mean of its divisors is an integer number (30822176).

Almost surely, 2^342320043 is an apocalyptic number.

342320043 is a deficient number, since it is larger than the sum of its proper divisors (150834773).

342320043 is a wasteful number, since it uses less digits than its factorization.

342320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 342320043 is about 18501.8929572085. The cubic root of 342320043 is about 699.5371382265.

Adding to 342320043 its reverse (340023243), we get a palindrome (682343286).

It can be divided in two parts, 3423200 and 43, that added together give a palindrome (3423243).

The spelling of 342320043 in words is "three hundred forty-two million, three hundred twenty thousand, forty-three".