343140420420234 has 48 divisors (see below), whose sum is σ = 744700170045312. Its totient is φ = 114191035447104.

The previous prime is 343140420420151. The next prime is 343140420420241. The reversal of 343140420420234 is 432024024041343.

343140420420234 is a `hidden beast` number, since 3 + 4 + 3 + 1 + 404 + 204 + 20 + 23 + 4 = 666.

It is a super-2 number, since 2×343140420420234² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351161377 + ... + 352137179.

It is an arithmetic number, because the mean of its divisors is an integer number (15514586875944).

Almost surely, 2^{343140420420234} is an apocalyptic number.

343140420420234 is an abundant number, since it is smaller than the sum of its proper divisors (401559749625078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343140420420234 is a wasteful number, since it uses less digits than its factorization.

343140420420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008091 (or 1008088 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 343140420420234 its reverse (432024024041343), we get a palindrome (775164444461577).

The spelling of 343140420420234 in words is "three hundred forty-three trillion, one hundred forty billion, four hundred twenty million, four hundred twenty thousand, two hundred thirty-four".