343103123220329 has 2 divisors, whose sum is σ = 343103123220330. Its totient is φ = 343103123220328.

The previous prime is 343103123220311. The next prime is 343103123220437. The reversal of 343103123220329 is 923022321301343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229189169610025 + 113913953610304 = 15138995^2 + 10673048^2 .

It is a cyclic number.

It is not a de Polignac number, because 343103123220329 - 2¹² = 343103123216233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343103123220292 and 343103123220301.

It is not a weakly prime, because it can be changed into another prime (343103123228329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171551561610164 + 171551561610165.

It is an arithmetic number, because the mean of its divisors is an integer number (171551561610165).

Almost surely, 2^{343103123220329} is an apocalyptic number.

It is an amenable number.

343103123220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

343103123220329 is an equidigital number, since it uses as much as digits as its factorization.

343103123220329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 343103123220329 in words is "three hundred forty-three trillion, one hundred three billion, one hundred twenty-three million, two hundred twenty thousand, three hundred twenty-nine".