523145041241564 has 96 divisors (see below), whose sum is σ = 1116474607632384. Its totient is φ = 209374406092800.

The previous prime is 523145041241533. The next prime is 523145041241587. The reversal of 523145041241564 is 465142140541325.

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, 57351269 + ... + 65844195.

It is an arithmetic number, because the mean of its divisors is an integer number (11629943829504).

Almost surely, 2^{523145041241564} 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 523145041241564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558237303816192).

523145041241564 is an abundant number, since it is smaller than the sum of its proper divisors (593329566390820).

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

523145041241564 is a wasteful number, since it uses less digits than its factorization.

523145041241564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493963 (or 8493961 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

Adding to 523145041241564 its reverse (465142140541325), we get a palindrome (988287181782889).

The spelling of 523145041241564 in words is "five hundred twenty-three trillion, one hundred forty-five billion, forty-one million, two hundred forty-one thousand, five hundred sixty-four".