328295123593 has 4 divisors (see below), whose sum is σ = 328901954308. Its totient is φ = 327688292880.

The previous prime is 328295123551. The next prime is 328295123609. The reversal of 328295123593 is 395321592823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395321592823 = 349 ⋅1132726627.

It can be written as a sum of positive squares in 2 ways, for example, as 146480721984 + 181814401609 = 382728^2 + 426397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328295123593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328295123593.

It is not an unprimeable number, because it can be changed into a prime (328295123543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303414546 + ... + 303415627.

It is an arithmetic number, because the mean of its divisors is an integer number (82225488577).

Almost surely, 2^328295123593 is an apocalyptic number.

It is an amenable number.

328295123593 is a deficient number, since it is larger than the sum of its proper divisors (606830715).

328295123593 is an equidigital number, since it uses as much as digits as its factorization.

328295123593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606830714.

The product of its digits is 3499200, while the sum is 52.

The spelling of 328295123593 in words is "three hundred twenty-eight billion, two hundred ninety-five million, one hundred twenty-three thousand, five hundred ninety-three".