523047 has 8 divisors (see below), whose sum is σ = 797056. Its totient is φ = 298872.

The previous prime is 523031. The next prime is 523049. The reversal of 523047 is 740325.

It is a happy number.

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

It is not a de Polignac number, because 523047 - 2⁴ = 523031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 24907 = 523047 / (5 + 2 + 3 + 0 + 4 + 7).

It is a Duffinian number.

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12433 + ... + 12474.

It is an arithmetic number, because the mean of its divisors is an integer number (99632).

2⁵²³⁰⁴⁷ is an apocalyptic number.

523047 is a deficient number, since it is larger than the sum of its proper divisors (274009).

523047 is a wasteful number, since it uses less digits than its factorization.

523047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24917.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 523047 is about 723.2198835762. The cubic root of 523047 is about 80.5712754278.

The spelling of 523047 in words is "five hundred twenty-three thousand, forty-seven".