23994 has 24 divisors (see below), whose sum is σ = 54912. Its totient is φ = 7560.

The previous prime is 23993. The next prime is 24001. The reversal of 23994 is 49932.

23994 is an undulating number in base 6.

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 11 ways as a sum of consecutive naturals, for example, 537 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (2288).

2²³⁹⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27456).

23994 is an abundant number, since it is smaller than the sum of its proper divisors (30918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23994 is a wasteful number, since it uses less digits than its factorization.

23994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 79 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 23994 is about 154.8999677211. The cubic root of 23994 is about 28.8425874565.

It can be divided in two parts, 239 and 94, that added together give a palindrome (333).

The spelling of 23994 in words is "twenty-three thousand, nine hundred ninety-four".