323323564513 has 4 divisors (see below), whose sum is σ = 324204555520. Its totient is φ = 322442573508.

The previous prime is 323323564411. The next prime is 323323564549. The reversal of 323323564513 is 315465323323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315465323323 = 96419 ⋅3271817.

It is a cyclic number.

It is not a de Polignac number, because 323323564513 - 2⁹ = 323323564001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323323567513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440494953 + ... + 440495686.

It is an arithmetic number, because the mean of its divisors is an integer number (81051138880).

Almost surely, 2^323323564513 is an apocalyptic number.

It is an amenable number.

323323564513 is a deficient number, since it is larger than the sum of its proper divisors (880991007).

323323564513 is an equidigital number, since it uses as much as digits as its factorization.

323323564513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880991006.

The product of its digits is 583200, while the sum is 40.

Adding to 323323564513 its reverse (315465323323), we get a palindrome (638788887836).

The spelling of 323323564513 in words is "three hundred twenty-three billion, three hundred twenty-three million, five hundred sixty-four thousand, five hundred thirteen".