23242543 has 8 divisors (see below), whose sum is σ = 24375600. Its totient is φ = 22131648.

The previous prime is 23242523. The next prime is 23242547. The reversal of 23242543 is 34524232.

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

It is a cyclic number.

It is not a de Polignac number, because 23242543 - 2¹⁷ = 23111471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242547) 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, 3373 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (3046950).

Almost surely, 2^23242543 is an apocalyptic number.

23242543 is a deficient number, since it is larger than the sum of its proper divisors (1133057).

23242543 is a wasteful number, since it uses less digits than its factorization.

23242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081.

The product of its digits is 5760, while the sum is 25.

The square root of 23242543 is about 4821.0520636060. The cubic root of 23242543 is about 285.3828567501.

Adding to 23242543 its reverse (34524232), we get a palindrome (57766775).

The spelling of 23242543 in words is "twenty-three million, two hundred forty-two thousand, five hundred forty-three".