343204020223447 has 2 divisors, whose sum is σ = 343204020223448. Its totient is φ = 343204020223446.

The previous prime is 343204020223291. The next prime is 343204020223469. The reversal of 343204020223447 is 744322020402343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343204020223447 - 2³⁹ = 342654264409559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343204020283447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171602010111723 + 171602010111724.

It is an arithmetic number, because the mean of its divisors is an integer number (171602010111724).

Almost surely, 2^{343204020223447} is an apocalyptic number.

343204020223447 is a deficient number, since it is larger than the sum of its proper divisors (1).

343204020223447 is an equidigital number, since it uses as much as digits as its factorization.

343204020223447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 40.

The spelling of 343204020223447 in words is "three hundred forty-three trillion, two hundred four billion, twenty million, two hundred twenty-three thousand, four hundred forty-seven".