123158442116 has 48 divisors (see below), whose sum is σ = 221112799488. Its totient is φ = 60008256000.

The previous prime is 123158442109. The next prime is 123158442119. The reversal of 123158442116 is 611244851321.

It is a self number, because there is not a number n which added to its sum of digits gives 123158442116.

It is not an unprimeable number, because it can be changed into a prime (123158442119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9080396 + ... + 9093948.

It is an arithmetic number, because the mean of its divisors is an integer number (4606516656).

Almost surely, 2^123158442116 is an apocalyptic number.

It is an amenable number.

123158442116 is a deficient number, since it is larger than the sum of its proper divisors (97954357372).

123158442116 is a wasteful number, since it uses less digits than its factorization.

123158442116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012 (or 14010 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The spelling of 123158442116 in words is "one hundred twenty-three billion, one hundred fifty-eight million, four hundred forty-two thousand, one hundred sixteen".