123887988000 has 1536 divisors, whose sum is σ = 546870804480. Its totient is φ = 26649907200.

The previous prime is 123887987987. The next prime is 123887988031. The reversal of 123887988000 is 889788321.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1202795949 + ... + 1202796051.

It is an arithmetic number, because the mean of its divisors is an integer number (356035680).

Almost surely, 2^123887988000 is an apocalyptic number.

123887988000 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 123887988000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273435402240).

123887988000 is an abundant number, since it is smaller than the sum of its proper divisors (422982816480).

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

123887988000 is a wasteful number, since it uses less digits than its factorization.

123887988000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 123887988000 in words is "one hundred twenty-three billion, eight hundred eighty-seven million, nine hundred eighty-eight thousand".