523172325350365 has 4 divisors (see below), whose sum is σ = 627806790420444. Its totient is φ = 418537860280288.

The previous prime is 523172325350327. The next prime is 523172325350431. The reversal of 523172325350365 is 563053523271325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379910074003524 + 143262251346841 = 19491282^2 + 11969221^2 .

It is a cyclic number.

It is not a de Polignac number, because 523172325350365 - 2²⁷ = 523172191132637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52317232535032 + ... + 52317232535041.

It is an arithmetic number, because the mean of its divisors is an integer number (156951697605111).

Almost surely, 2^{523172325350365} is an apocalyptic number.

It is an amenable number.

523172325350365 is a deficient number, since it is larger than the sum of its proper divisors (104634465070079).

523172325350365 is a wasteful number, since it uses less digits than its factorization.

523172325350365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104634465070078.

The product of its (nonzero) digits is 17010000, while the sum is 52.

The spelling of 523172325350365 in words is "five hundred twenty-three trillion, one hundred seventy-two billion, three hundred twenty-five million, three hundred fifty thousand, three hundred sixty-five".