343350220523477 has 2 divisors, whose sum is σ = 343350220523478. Its totient is φ = 343350220523476.

The previous prime is 343350220523447. The next prime is 343350220523647. The reversal of 343350220523477 is 774325022053343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327405899998321 + 15944320525156 = 18094361^2 + 3993034^2 .

It is a cyclic number.

It is not a de Polignac number, because 343350220523477 - 2¹⁰ = 343350220522453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343350220523447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171675110261738 + 171675110261739.

It is an arithmetic number, because the mean of its divisors is an integer number (171675110261739).

Almost surely, 2^{343350220523477} is an apocalyptic number.

It is an amenable number.

343350220523477 is a deficient number, since it is larger than the sum of its proper divisors (1).

343350220523477 is an equidigital number, since it uses as much as digits as its factorization.

343350220523477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 50.

The spelling of 343350220523477 in words is "three hundred forty-three trillion, three hundred fifty billion, two hundred twenty million, five hundred twenty-three thousand, four hundred seventy-seven".