343243121342343 has 16 divisors (see below), whose sum is σ = 457834095645696. Its totient is φ = 228740453837600.

The previous prime is 343243121342327. The next prime is 343243121342347.

343243121342343 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 343243121342343 - 2⁴ = 343243121342327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343243121342295 and 343243121342304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343243121342347) 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, 212802193 + ... + 214409093.

It is an arithmetic number, because the mean of its divisors is an integer number (28614630977856).

Almost surely, 2^{343243121342343} is an apocalyptic number.

343243121342343 is a deficient number, since it is larger than the sum of its proper divisors (114590974303353).

343243121342343 is a wasteful number, since it uses less digits than its factorization.

343243121342343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634334.

The product of its digits is 1492992, while the sum is 42.

The spelling of 343243121342343 in words is "three hundred forty-three trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred forty-two thousand, three hundred forty-three".