123944616 has 24 divisors (see below), whose sum is σ = 335683530. Its totient is φ = 41314848.

The previous prime is 123944609. The next prime is 123944633. The reversal of 123944616 is 616449321.

123944616 is a `hidden beast` number, since 1 + 2 + 39 + 4 + 4 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115476516 + 8468100 = 10746^2 + 2910^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860655 + ... + 860798.

Almost surely, 2^123944616 is an apocalyptic number.

It is an amenable number.

123944616 is an abundant number, since it is smaller than the sum of its proper divisors (211738914).

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

123944616 is a wasteful number, since it uses less digits than its factorization.

123944616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721465 (or 1721458 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 123944616 is about 11133.0416329052. The cubic root of 123944616 is about 498.5888423483.

The spelling of 123944616 in words is "one hundred twenty-three million, nine hundred forty-four thousand, six hundred sixteen".