123944 has 8 divisors (see below), whose sum is σ = 232410. Its totient is φ = 61968.

The previous prime is 123941. The next prime is 123953. The reversal of 123944 is 449321.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 1444 = 350^2 + 38^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (123941) by changing a digit.

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 as a sum of consecutive naturals, namely, 7739 + ... + 7754.

2¹²³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

123944 is a deficient number, since it is larger than the sum of its proper divisors (108466).

123944 is a wasteful number, since it uses less digits than its factorization.

123944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15499 (or 15495 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 123944 is about 352.0568135969. The cubic root of 123944 is about 49.8588016358.

The spelling of 123944 in words is "one hundred twenty-three thousand, nine hundred forty-four".