323000854478557 has 2 divisors, whose sum is σ = 323000854478558. Its totient is φ = 323000854478556.

The previous prime is 323000854478543. The next prime is 323000854478567. The reversal of 323000854478557 is 755874458000323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256841842953796 + 66159011524761 = 16026286^2 + 8133819^2 .

It is an emirp because it is prime and its reverse (755874458000323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323000854478557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323000854478495 and 323000854478504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323000854478567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161500427239278 + 161500427239279.

It is an arithmetic number, because the mean of its divisors is an integer number (161500427239279).

Almost surely, 2^{323000854478557} is an apocalyptic number.

It is an amenable number.

323000854478557 is a deficient number, since it is larger than the sum of its proper divisors (1).

323000854478557 is an equidigital number, since it uses as much as digits as its factorization.

323000854478557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896000, while the sum is 61.

The spelling of 323000854478557 in words is "three hundred twenty-three trillion, eight hundred fifty-four million, four hundred seventy-eight thousand, five hundred fifty-seven".