23943 has 8 divisors (see below), whose sum is σ = 33408. Its totient is φ = 15224.

The previous prime is 23929. The next prime is 23957. The reversal of 23943 is 34932.

23943 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (23929) and next prime (23957).

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 23943 - 2⁵ = 23911 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁷ + 9 + 4² + 3⁹ .

23943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23993) 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, 105 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (4176).

2²³⁹⁴³ is an apocalyptic number.

23943 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23943 is a deficient number, since it is larger than the sum of its proper divisors (9465).

23943 is a wasteful number, since it uses less digits than its factorization.

23943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its digits is 648, while the sum is 21.

The square root of 23943 is about 154.7352577792. The cubic root of 23943 is about 28.8221376859.

It can be divided in two parts, 239 and 43, that added together give a palindrome (282).

The spelling of 23943 in words is "twenty-three thousand, nine hundred forty-three".