343421743273 has 16 divisors (see below), whose sum is σ = 394550747136. Its totient is φ = 292813652160.

The previous prime is 343421743253. The next prime is 343421743277. The reversal of 343421743273 is 372347124343.

It is a cyclic number.

It is not a de Polignac number, because 343421743273 - 2³⁷ = 205982789801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343421743277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954840 + ... + 1264342.

It is an arithmetic number, because the mean of its divisors is an integer number (24659421696).

Almost surely, 2^343421743273 is an apocalyptic number.

It is an amenable number.

343421743273 is a deficient number, since it is larger than the sum of its proper divisors (51129003863).

343421743273 is a wasteful number, since it uses less digits than its factorization.

343421743273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310344.

The product of its digits is 1016064, while the sum is 43.

The spelling of 343421743273 in words is "three hundred forty-three billion, four hundred twenty-one million, seven hundred forty-three thousand, two hundred seventy-three".