321223122047 has 2 divisors, whose sum is σ = 321223122048. Its totient is φ = 321223122046.

The previous prime is 321223122007. The next prime is 321223122089. The reversal of 321223122047 is 740221322123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321223122047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321223122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611561023 + 160611561024.

It is an arithmetic number, because the mean of its divisors is an integer number (160611561024).

Almost surely, 2^321223122047 is an apocalyptic number.

321223122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

321223122047 is an equidigital number, since it uses as much as digits as its factorization.

321223122047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 321223122047 in words is "three hundred twenty-one billion, two hundred twenty-three million, one hundred twenty-two thousand, forty-seven".