123139596000 has 192 divisors, whose sum is σ = 405022415616. Its totient is φ = 32705600000.

The previous prime is 123139595989. The next prime is 123139596001. The reversal of 123139596000 is 695931321.

It is a self number, because there is not a number n which added to its sum of digits gives 123139596000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123139596001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991559 + ... + 3032441.

It is an arithmetic number, because the mean of its divisors is an integer number (2109491748).

Almost surely, 2^123139596000 is an apocalyptic number.

123139596000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123139596000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202511207808).

123139596000 is an abundant number, since it is smaller than the sum of its proper divisors (281882819616).

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

123139596000 is a wasteful number, since it uses less digits than its factorization.

123139596000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41162 (or 41144 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 123139596000 in words is "one hundred twenty-three billion, one hundred thirty-nine million, five hundred ninety-six thousand".