523143 has 12 divisors (see below), whose sum is σ = 776568. Its totient is φ = 339120.

The previous prime is 523129. The next prime is 523169. The reversal of 523143 is 341325.

523143 is a `hidden beast` number, since 523 + 143 = 666.

523143 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 523143 - 2⁸ = 522887 is a prime.

523143 is strictly pandigital in base 7.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523543) 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, 453 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (64714).

2⁵²³¹⁴³ is an apocalyptic number.

523143 is a deficient number, since it is larger than the sum of its proper divisors (253425).

523143 is a wasteful number, since it uses less digits than its factorization.

523143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1611 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 523143 is about 723.2862503878. The cubic root of 523143 is about 80.5762044745.

Adding to 523143 its reverse (341325), we get a palindrome (864468).

It can be divided in two parts, 523 and 143, that added together give a palindrome (666).

The spelling of 523143 in words is "five hundred twenty-three thousand, one hundred forty-three".