23243 has 4 divisors (see below), whose sum is σ = 25368. Its totient is φ = 21120.

The previous prime is 23227. The next prime is 23251. The reversal of 23243 is 34232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23243 - 2⁴ = 23227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23203) 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, 1046 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (6342).

2²³²⁴³ is an apocalyptic number.

23243 is a deficient number, since it is larger than the sum of its proper divisors (2125).

23243 is a wasteful number, since it uses less digits than its factorization.

23243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its digits is 144, while the sum is 14.

The square root of 23243 is about 152.4565511875. The cubic root of 23243 is about 28.5384727158.

Adding to 23243 its reverse (34232), we get a palindrome (57475).

The spelling of 23243 in words is "twenty-three thousand, two hundred forty-three", and thus it is an iban number.