200123731860 has 384 divisors, whose sum is σ = 657562752000. Its totient is φ = 45064470528.

The previous prime is 200123731853. The next prime is 200123731877. The reversal of 200123731860 is 68137321002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 56706576 + ... + 56710104.

It is an arithmetic number, because the mean of its divisors is an integer number (1712403000).

Almost surely, 2^200123731860 is an apocalyptic number.

200123731860 is a gapful number since it is divisible by the number (20) 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 200123731860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328781376000).

200123731860 is an abundant number, since it is smaller than the sum of its proper divisors (457439020140).

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

200123731860 is a wasteful number, since it uses less digits than its factorization.

200123731860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3713 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 200123731860 in words is "two hundred billion, one hundred twenty-three million, seven hundred thirty-one thousand, eight hundred sixty".