343303622147977 has 2 divisors, whose sum is σ = 343303622147978. Its totient is φ = 343303622147976.

The previous prime is 343303622147869. The next prime is 343303622148041. The reversal of 343303622147977 is 779741226303343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277783922256201 + 65519699891776 = 16666851^2 + 8094424^2 .

It is an emirp because it is prime and its reverse (779741226303343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343303622147977 - 2⁴³ = 334507529125769 is a prime.

It is not a weakly prime, because it can be changed into another prime (343303622147077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171651811073988 + 171651811073989.

It is an arithmetic number, because the mean of its divisors is an integer number (171651811073989).

Almost surely, 2^{343303622147977} is an apocalyptic number.

It is an amenable number.

343303622147977 is a deficient number, since it is larger than the sum of its proper divisors (1).

343303622147977 is an equidigital number, since it uses as much as digits as its factorization.

343303622147977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 61.

The spelling of 343303622147977 in words is "three hundred forty-three trillion, three hundred three billion, six hundred twenty-two million, one hundred forty-seven thousand, nine hundred seventy-seven".