523973510523 has 12 divisors (see below), whose sum is σ = 782948924160. Its totient is φ = 337270305456.

The previous prime is 523973510509. The next prime is 523973510527. The reversal of 523973510523 is 325015379325.

523973510523 is a `hidden beast` number, since 5 + 2 + 3 + 9 + 73 + 51 + 0 + 523 = 666.

It is not a de Polignac number, because 523973510523 - 2⁴ = 523973510507 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (523973510527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003780411 + ... + 1003780932.

It is an arithmetic number, because the mean of its divisors is an integer number (65245743680).

Almost surely, 2^523973510523 is an apocalyptic number.

523973510523 is a deficient number, since it is larger than the sum of its proper divisors (258975413637).

523973510523 is a wasteful number, since it uses less digits than its factorization.

523973510523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007561378 (or 2007561375 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

Adding to 523973510523 its reverse (325015379325), we get a palindrome (848988889848).

The spelling of 523973510523 in words is "five hundred twenty-three billion, nine hundred seventy-three million, five hundred ten thousand, five hundred twenty-three".