523502316534 has 32 divisors (see below), whose sum is σ = 1054307520000. Its totient is φ = 173284238304.

The previous prime is 523502316527. The next prime is 523502316539. The reversal of 523502316534 is 435613205325.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523502316492 and 523502316501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523502316539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428877 + ... + 3578295.

It is an arithmetic number, because the mean of its divisors is an integer number (32947110000).

Almost surely, 2^523502316534 is an apocalyptic number.

523502316534 is an abundant number, since it is smaller than the sum of its proper divisors (530805203466).

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

523502316534 is a wasteful number, since it uses less digits than its factorization.

523502316534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153492.

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 523502316534 in words is "five hundred twenty-three billion, five hundred two million, three hundred sixteen thousand, five hundred thirty-four".