1232543 has 4 divisors (see below), whose sum is σ = 1327368. Its totient is φ = 1137720.

The previous prime is 1232537. The next prime is 1232563. The reversal of 1232543 is 3452321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3452321 = 859 ⋅4019.

It is a cyclic number.

It is not a de Polignac number, because 1232543 - 2⁴ = 1232527 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47393 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (331842).

2^1232543 is an apocalyptic number.

1232543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1232543 is a deficient number, since it is larger than the sum of its proper divisors (94825).

1232543 is an equidigital number, since it uses as much as digits as its factorization.

1232543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94824.

The product of its digits is 720, while the sum is 20.

The square root of 1232543 is about 1110.1995316158. The cubic root of 1232543 is about 107.2179155752.

Adding to 1232543 its reverse (3452321), we get a palindrome (4684864).

The spelling of 1232543 in words is "one million, two hundred thirty-two thousand, five hundred forty-three".