523320023324 has 72 divisors (see below), whose sum is σ = 1074380947920. Its totient is φ = 222382540800.

The previous prime is 523320023249. The next prime is 523320023327. The reversal of 523320023324 is 423320023325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523320023327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11101244 + ... + 11148284.

It is an arithmetic number, because the mean of its divisors is an integer number (14921957610).

Almost surely, 2^523320023324 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 523320023324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537190473960).

523320023324 is an abundant number, since it is smaller than the sum of its proper divisors (551060924596).

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

523320023324 is a wasteful number, since it uses less digits than its factorization.

523320023324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47539 (or 47530 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 523320023324 its reverse (423320023325), we get a palindrome (946640046649).

Subtracting from 523320023324 its reverse (423320023325), we obtain a palindrome (99999999999).

The spelling of 523320023324 in words is "five hundred twenty-three billion, three hundred twenty million, twenty-three thousand, three hundred twenty-four".