523943 has 12 divisors (see below), whose sum is σ = 627120. Its totient is φ = 428736.

The previous prime is 523937. The next prime is 523949. The reversal of 523943 is 349325.

It is an interprime number because it is at equal distance from previous prime (523937) and next prime (523949).

It is not a de Polignac number, because 523943 - 2⁴ = 523927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5843 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (52260).

2⁵²³⁹⁴³ is an apocalyptic number.

523943 is a deficient number, since it is larger than the sum of its proper divisors (103177).

523943 is an equidigital number, since it uses as much as digits as its factorization.

523943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 125 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 523943 is about 723.8390705122. The cubic root of 523943 is about 80.6172564323.

The spelling of 523943 in words is "five hundred twenty-three thousand, nine hundred forty-three".