506165341523 has 4 divisors (see below), whose sum is σ = 506177232960. Its totient is φ = 506153450088.

The previous prime is 506165341511. The next prime is 506165341529. The reversal of 506165341523 is 325143561605.

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

It is a cyclic number.

It is not a de Polignac number, because 506165341523 - 2¹⁸ = 506165079379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506165341529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5881640 + ... + 5967077.

It is an arithmetic number, because the mean of its divisors is an integer number (126544308240).

Almost surely, 2^506165341523 is an apocalyptic number.

506165341523 is a deficient number, since it is larger than the sum of its proper divisors (11891437).

506165341523 is a wasteful number, since it uses less digits than its factorization.

506165341523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891436.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 506165341523 in words is "five hundred six billion, one hundred sixty-five million, three hundred forty-one thousand, five hundred twenty-three".