523144525242 has 32 divisors (see below), whose sum is σ = 1067155891200. Its totient is φ = 170935463088.

The previous prime is 523144525217. The next prime is 523144525261. The reversal of 523144525242 is 242525441325.

It is a self number, because there is not a number n which added to its sum of digits gives 523144525242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904188 + ... + 4035959.

It is an arithmetic number, because the mean of its divisors is an integer number (33348621600).

Almost surely, 2^523144525242 is an apocalyptic number.

523144525242 is an abundant number, since it is smaller than the sum of its proper divisors (544011365958).

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

523144525242 is a wasteful number, since it uses less digits than its factorization.

523144525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940370.

The product of its digits is 384000, while the sum is 39.

Adding to 523144525242 its reverse (242525441325), we get a palindrome (765669966567).

The spelling of 523144525242 in words is "five hundred twenty-three billion, one hundred forty-four million, five hundred twenty-five thousand, two hundred forty-two".