321043342102447 has 2 divisors, whose sum is σ = 321043342102448. Its totient is φ = 321043342102446.

The previous prime is 321043342102267. The next prime is 321043342102499. The reversal of 321043342102447 is 744201243340123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321043342102447 - 2¹⁹ = 321043341578159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321043342106447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160521671051223 + 160521671051224.

It is an arithmetic number, because the mean of its divisors is an integer number (160521671051224).

Almost surely, 2^{321043342102447} is an apocalyptic number.

321043342102447 is a deficient number, since it is larger than the sum of its proper divisors (1).

321043342102447 is an equidigital number, since it uses as much as digits as its factorization.

321043342102447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 321043342102447 in words is "three hundred twenty-one trillion, forty-three billion, three hundred forty-two million, one hundred two thousand, four hundred forty-seven".