522540125223123 has 96 divisors (see below), whose sum is σ = 836564722253568. Its totient is φ = 289093011379200.

The previous prime is 522540125223121. The next prime is 522540125223163. The reversal of 522540125223123 is 321322521045225.

It is not a de Polignac number, because 522540125223123 - 2¹ = 522540125223121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522540125223121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2631403428 + ... + 2631601998.

It is an arithmetic number, because the mean of its divisors is an integer number (8714215856808).

Almost surely, 2^{522540125223123} is an apocalyptic number.

522540125223123 is a deficient number, since it is larger than the sum of its proper divisors (314024597030445).

522540125223123 is a wasteful number, since it uses less digits than its factorization.

522540125223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201953 (or 201946 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 522540125223123 its reverse (321322521045225), we get a palindrome (843862646268348).

The spelling of 522540125223123 in words is "five hundred twenty-two trillion, five hundred forty billion, one hundred twenty-five million, two hundred twenty-three thousand, one hundred twenty-three".