232543 has 4 divisors (see below), whose sum is σ = 246240. Its totient is φ = 218848.

The previous prime is 232523. The next prime is 232549. The reversal of 232543 is 345232.

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 232543 - 2¹³ = 224351 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 232543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6823 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2²³²⁵⁴³ is an apocalyptic number.

232543 is a deficient number, since it is larger than the sum of its proper divisors (13697).

232543 is a wasteful number, since it uses less digits than its factorization.

232543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696.

The product of its digits is 720, while the sum is 19.

The square root of 232543 is about 482.2271249111. The cubic root of 232543 is about 61.4942378985.

Adding to 232543 its reverse (345232), we get a palindrome (577775).

The spelling of 232543 in words is "two hundred thirty-two thousand, five hundred forty-three".