523466042405 has 4 divisors (see below), whose sum is σ = 628159250892. Its totient is φ = 418772833920.

The previous prime is 523466042357. The next prime is 523466042417. The reversal of 523466042405 is 504240664325.

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 69450169156 + 454015873249 = 263534^2 + 673807^2 .

It is not a de Polignac number, because 523466042405 - 2⁸ = 523466042149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52346604236 + ... + 52346604245.

It is an arithmetic number, because the mean of its divisors is an integer number (157039812723).

Almost surely, 2^523466042405 is an apocalyptic number.

It is an amenable number.

523466042405 is a deficient number, since it is larger than the sum of its proper divisors (104693208487).

523466042405 is a wasteful number, since it uses less digits than its factorization.

523466042405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104693208486.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 523466042405 in words is "five hundred twenty-three billion, four hundred sixty-six million, forty-two thousand, four hundred five".