326545545623 has 32 divisors (see below), whose sum is σ = 367939805184. Its totient is φ = 287232480000.

The previous prime is 326545545617. The next prime is 326545545679.

It is a happy number.

326545545623 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 326545545623 - 2²⁸ = 326277110167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326545545923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27249293 + ... + 27261273.

It is an arithmetic number, because the mean of its divisors is an integer number (11498118912).

Almost surely, 2^326545545623 is an apocalyptic number.

326545545623 is a deficient number, since it is larger than the sum of its proper divisors (41394259561).

326545545623 is a wasteful number, since it uses less digits than its factorization.

326545545623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527.

The product of its digits is 12960000, while the sum is 50.

The spelling of 326545545623 in words is "three hundred twenty-six billion, five hundred forty-five million, five hundred forty-five thousand, six hundred twenty-three".