343568377 has 2 divisors, whose sum is σ = 343568378. Its totient is φ = 343568376.

The previous prime is 343568341. The next prime is 343568399. The reversal of 343568377 is 773865343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222039801 + 121528576 = 14901^2 + 11024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343568377 is a prime.

It is not a weakly prime, because it can be changed into another prime (343568777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171784188 + 171784189.

It is an arithmetic number, because the mean of its divisors is an integer number (171784189).

Almost surely, 2^343568377 is an apocalyptic number.

It is an amenable number.

343568377 is a deficient number, since it is larger than the sum of its proper divisors (1).

343568377 is an equidigital number, since it uses as much as digits as its factorization.

343568377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 46.

The square root of 343568377 is about 18535.5975625282. The cubic root of 343568377 is about 700.3864376468.

The spelling of 343568377 in words is "three hundred forty-three million, five hundred sixty-eight thousand, three hundred seventy-seven".