523040174430447 has 4 divisors (see below), whose sum is σ = 697386899240600. Its totient is φ = 348693449620296.

The previous prime is 523040174430377. The next prime is 523040174430463. The reversal of 523040174430447 is 744034471040325.

It is a happy number.

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

It is not a de Polignac number, because 523040174430447 - 2⁴⁷ = 382302686075119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523040174430396 and 523040174430405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523040174430497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87173362405072 + ... + 87173362405077.

It is an arithmetic number, because the mean of its divisors is an integer number (174346724810150).

Almost surely, 2^{523040174430447} is an apocalyptic number.

523040174430447 is a deficient number, since it is larger than the sum of its proper divisors (174346724810153).

523040174430447 is a wasteful number, since it uses less digits than its factorization.

523040174430447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174346724810152.

The product of its (nonzero) digits is 4515840, while the sum is 48.

The spelling of 523040174430447 in words is "five hundred twenty-three trillion, forty billion, one hundred seventy-four million, four hundred thirty thousand, four hundred forty-seven".