123849642844 has 12 divisors (see below), whose sum is σ = 219971754184. Its totient is φ = 61000570224.

The previous prime is 123849642841. The next prime is 123849642941. The reversal of 123849642844 is 448246948321.

123849642844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123849642841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231062499 + ... + 231063034.

Almost surely, 2^123849642844 is an apocalyptic number.

It is an amenable number.

123849642844 is a deficient number, since it is larger than the sum of its proper divisors (96122111340).

123849642844 is a wasteful number, since it uses less digits than its factorization.

123849642844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462125604 (or 462125602 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 55.

The spelling of 123849642844 in words is "one hundred twenty-three billion, eight hundred forty-nine million, six hundred forty-two thousand, eight hundred forty-four".