23944 has 16 divisors (see below), whose sum is σ = 46620. Its totient is φ = 11520.

The previous prime is 23929. The next prime is 23957. The reversal of 23944 is 44932.

It can be written as a sum of positive squares in 2 ways, for example, as 22500 + 1444 = 150^2 + 38^2 .

It is a congruent number.

It is an unprimeable number.

23944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292 + ... + 364.

2²³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

23944 is a deficient number, since it is larger than the sum of its proper divisors (22676).

23944 is a wasteful number, since it uses less digits than its factorization.

23944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 116 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 23944 is about 154.7384890711. The cubic root of 23944 is about 28.8225389407.

It can be divided in two parts, 23 and 944, that multiplied together give a palindrome (21712).

The spelling of 23944 in words is "twenty-three thousand, nine hundred forty-four".