328312126573 has 2 divisors, whose sum is σ = 328312126574. Its totient is φ = 328312126572.

The previous prime is 328312126523. The next prime is 328312126607. The reversal of 328312126573 is 375621213823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321168158089 + 7143968484 = 566717^2 + 84522^2 .

It is a cyclic number.

It is not a de Polignac number, because 328312126573 - 2³³ = 319722191981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328312126523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164156063286 + 164156063287.

It is an arithmetic number, because the mean of its divisors is an integer number (164156063287).

Almost surely, 2^328312126573 is an apocalyptic number.

It is an amenable number.

328312126573 is a deficient number, since it is larger than the sum of its proper divisors (1).

328312126573 is an equidigital number, since it uses as much as digits as its factorization.

328312126573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The spelling of 328312126573 in words is "three hundred twenty-eight billion, three hundred twelve million, one hundred twenty-six thousand, five hundred seventy-three".