342430043 has 4 divisors (see below), whose sum is σ = 344343240. Its totient is φ = 340516848.

The previous prime is 342430021. The next prime is 342430063. The reversal of 342430043 is 340034243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340034243 = 1319 ⋅257797.

It is a cyclic number.

It is not a de Polignac number, because 342430043 - 2¹² = 342425947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342430063) 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, 956330 + ... + 956687.

It is an arithmetic number, because the mean of its divisors is an integer number (86085810).

Almost surely, 2^342430043 is an apocalyptic number.

342430043 is a deficient number, since it is larger than the sum of its proper divisors (1913197).

342430043 is a wasteful number, since it uses less digits than its factorization.

342430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913196.

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

The square root of 342430043 is about 18504.8653872434. The cubic root of 342430043 is about 699.6120591921.

Adding to 342430043 its reverse (340034243), we get a palindrome (682464286).

The spelling of 342430043 in words is "three hundred forty-two million, four hundred thirty thousand, forty-three".