2423543 has 4 divisors (see below), whose sum is σ = 2464680. Its totient is φ = 2382408.

The previous prime is 2423539. The next prime is 2423563. The reversal of 2423543 is 3453242.

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 2423543 - 2² = 2423539 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4² + 2²¹ + 3² + 5⁵ + 4⁹ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20480 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (616170).

2^2423543 is an apocalyptic number.

2423543 is a deficient number, since it is larger than the sum of its proper divisors (41137).

2423543 is an equidigital number, since it uses as much as digits as its factorization.

2423543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41136.

The product of its digits is 2880, while the sum is 23.

The square root of 2423543 is about 1556.7732654436. The cubic root of 2423543 is about 134.3229568069.

Adding to 2423543 its reverse (3453242), we get a palindrome (5876785).

The spelling of 2423543 in words is "two million, four hundred twenty-three thousand, five hundred forty-three".