1323543 has 8 divisors (see below), whose sum is σ = 1900528. Its totient is φ = 814464.

The previous prime is 1323541. The next prime is 1323551. The reversal of 1323543 is 3453231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323543 - 2¹ = 1323541 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 2³ + 3⁹ + 5⁷ + 4¹⁰ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16930 + ... + 17007.

It is an arithmetic number, because the mean of its divisors is an integer number (237566).

2^1323543 is an apocalyptic number.

1323543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323543 is a deficient number, since it is larger than the sum of its proper divisors (576985).

1323543 is a wasteful number, since it uses less digits than its factorization.

1323543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33953.

The product of its digits is 1080, while the sum is 21.

The square root of 1323543 is about 1150.4533888863. The cubic root of 1323543 is about 109.7941881655.

Adding to 1323543 its reverse (3453231), we get a palindrome (4776774).

The spelling of 1323543 in words is "one million, three hundred twenty-three thousand, five hundred forty-three".