123881511076148 has 96 divisors (see below), whose sum is σ = 258055256567808. Its totient is φ = 50931940147200.

The previous prime is 123881511076117. The next prime is 123881511076163. The reversal of 123881511076148 is 841670115188321.

It is a junction number, because it is equal to n+sod(n) for n = 123881511076093 and 123881511076102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19589828 + ... + 25130148.

It is an arithmetic number, because the mean of its divisors is an integer number (2688075589248).

Almost surely, 2^{123881511076148} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123881511076148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129027628283904).

123881511076148 is an abundant number, since it is smaller than the sum of its proper divisors (134173745491660).

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

123881511076148 is a wasteful number, since it uses less digits than its factorization.

123881511076148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540673 (or 5540671 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 56.

The spelling of 123881511076148 in words is "one hundred twenty-three trillion, eight hundred eighty-one billion, five hundred eleven million, seventy-six thousand, one hundred forty-eight".