343000000073 has 2 divisors, whose sum is σ = 343000000074. Its totient is φ = 343000000072.

The previous prime is 342999999997. The next prime is 343000000097. The reversal of 343000000073 is 370000000343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295557497104 + 47442502969 = 543652^2 + 217813^2 .

It is an emirp because it is prime and its reverse (370000000343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343000000073 - 2⁸ = 342999999817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342999999991 and 343000000054.

It is not a weakly prime, because it can be changed into another prime (343000600073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171500000036 + 171500000037.

It is an arithmetic number, because the mean of its divisors is an integer number (171500000037).

Almost surely, 2^343000000073 is an apocalyptic number.

It is an amenable number.

343000000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

343000000073 is an equidigital number, since it uses as much as digits as its factorization.

343000000073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 20.

The spelling of 343000000073 in words is "three hundred forty-three billion, seventy-three", and thus it is an aban number.