326023514163256 has 128 divisors (see below), whose sum is σ = 755052446453760. Its totient is φ = 128515406630400.

The previous prime is 326023514163241. The next prime is 326023514163313. The reversal of 326023514163256 is 652361415320623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633005761 + ... + 633520591.

It is an arithmetic number, because the mean of its divisors is an integer number (5898847237920).

Almost surely, 2^{326023514163256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326023514163256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377526223226880).

326023514163256 is an abundant number, since it is smaller than the sum of its proper divisors (429028932290504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326023514163256 is a wasteful number, since it uses less digits than its factorization.

326023514163256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517965 (or 517961 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

Adding to 326023514163256 its reverse (652361415320623), we get a palindrome (978384929483879).

The spelling of 326023514163256 in words is "three hundred twenty-six trillion, twenty-three billion, five hundred fourteen million, one hundred sixty-three thousand, two hundred fifty-six".