523935047 has 4 divisors (see below), whose sum is σ = 524750520. Its totient is φ = 523119576.

The previous prime is 523935017. The next prime is 523935149. The reversal of 523935047 is 740539325.

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 523935047 - 2⁸ = 523934791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523935047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523935007) 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, 406772 + ... + 408057.

It is an arithmetic number, because the mean of its divisors is an integer number (131187630).

Almost surely, 2^523935047 is an apocalyptic number.

523935047 is a deficient number, since it is larger than the sum of its proper divisors (815473).

523935047 is an equidigital number, since it uses as much as digits as its factorization.

523935047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815472.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 523935047 is about 22889.6274980612. The cubic root of 523935047 is about 806.1684853029.

The spelling of 523935047 in words is "five hundred twenty-three million, nine hundred thirty-five thousand, forty-seven".