323085562047551 has 2 divisors, whose sum is σ = 323085562047552. Its totient is φ = 323085562047550.

The previous prime is 323085562047533. The next prime is 323085562047581. The reversal of 323085562047551 is 155740265580323.

It is a weak prime.

It is an emirp because it is prime and its reverse (155740265580323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323085562047551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323085562047511) 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, 161542781023775 + 161542781023776.

It is an arithmetic number, because the mean of its divisors is an integer number (161542781023776).

Almost surely, 2^{323085562047551} is an apocalyptic number.

323085562047551 is a deficient number, since it is larger than the sum of its proper divisors (1).

323085562047551 is an equidigital number, since it uses as much as digits as its factorization.

323085562047551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240000, while the sum is 56.

The spelling of 323085562047551 in words is "three hundred twenty-three trillion, eighty-five billion, five hundred sixty-two million, forty-seven thousand, five hundred fifty-one".