2123759697600 has 168 divisors, whose sum is σ = 6968989148608. Its totient is φ = 566231270400.

The previous prime is 2123759697583. The next prime is 2123759697643. The reversal of 2123759697600 is 67969573212.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27931635 + ... + 28007565.

Almost surely, 2^{2123759697600} is an apocalyptic number.

2123759697600 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 2123759697600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3484494574304).

2123759697600 is an abundant number, since it is smaller than the sum of its proper divisors (4845229451008).

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

2123759697600 is a wasteful number, since it uses less digits than its factorization.

2123759697600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81783 (or 81768 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 2123759697600 in words is "two trillion, one hundred twenty-three billion, seven hundred fifty-nine million, six hundred ninety-seven thousand, six hundred".