522923 has 4 divisors (see below), whose sum is σ = 535128. Its totient is φ = 510720.

The previous prime is 522919. The next prime is 522943. The reversal of 522923 is 329225.

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 522923 - 2² = 522919 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 2⁷ + 9⁴ + 2¹⁰ + 2¹⁶ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522943) 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, 6038 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (133782).

2⁵²²⁹²³ is an apocalyptic number.

522923 is a deficient number, since it is larger than the sum of its proper divisors (12205).

522923 is a wasteful number, since it uses less digits than its factorization.

522923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204.

The product of its digits is 1080, while the sum is 23.

The square root of 522923 is about 723.1341507632. The cubic root of 522923 is about 80.5649078498.

The spelling of 522923 in words is "five hundred twenty-two thousand, nine hundred twenty-three".