523430550505 has 8 divisors (see below), whose sum is σ = 628223718600. Its totient is φ = 418673068416.

The previous prime is 523430550389. The next prime is 523430550527. The reversal of 523430550505 is 505055034325.

It can be written as a sum of positive squares in 4 ways, for example, as 35125881561 + 488304668944 = 187419^2 + 698788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523430550505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8889220 + ... + 8947909.

It is an arithmetic number, because the mean of its divisors is an integer number (78527964825).

Almost surely, 2^523430550505 is an apocalyptic number.

It is an amenable number.

523430550505 is a deficient number, since it is larger than the sum of its proper divisors (104793168095).

523430550505 is a wasteful number, since it uses less digits than its factorization.

523430550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843003.

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 523430550505 in words is "five hundred twenty-three billion, four hundred thirty million, five hundred fifty thousand, five hundred five".