326511473323 has 4 divisors (see below), whose sum is σ = 373155969520. Its totient is φ = 279866977128.

The previous prime is 326511473303. The next prime is 326511473339. The reversal of 326511473323 is 323374115623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323374115623 = 13 ⋅24874931971.

It is a cyclic number.

It is not a de Polignac number, because 326511473323 - 2⁵ = 326511473291 is a prime.

It is a super-2 number, since 2×326511473323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326511473303) 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, 23322248088 + ... + 23322248101.

It is an arithmetic number, because the mean of its divisors is an integer number (93288992380).

Almost surely, 2^326511473323 is an apocalyptic number.

326511473323 is a deficient number, since it is larger than the sum of its proper divisors (46644496197).

326511473323 is an equidigital number, since it uses as much as digits as its factorization.

326511473323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46644496196.

The product of its digits is 272160, while the sum is 40.

Adding to 326511473323 its reverse (323374115623), we get a palindrome (649885588946).

The spelling of 326511473323 in words is "three hundred twenty-six billion, five hundred eleven million, four hundred seventy-three thousand, three hundred twenty-three".