2123873700 has 216 divisors, whose sum is σ = 6721007328. Its totient is φ = 517570560.

The previous prime is 2123873641. The next prime is 2123873723. The reversal of 2123873700 is 73783212.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8263972 + ... + 8264228.

Almost surely, 2^2123873700 is an apocalyptic number.

2123873700 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 2123873700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360503664).

2123873700 is an abundant number, since it is smaller than the sum of its proper divisors (4597133628).

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

2123873700 is a wasteful number, since it uses less digits than its factorization.

2123873700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2123873700 is about 46085.5042285533. The cubic root of 2123873700 is about 1285.4136152302.

The spelling of 2123873700 in words is "two billion, one hundred twenty-three million, eight hundred seventy-three thousand, seven hundred".