2123107200 has 240 divisors, whose sum is σ = 7835688960. Its totient is φ = 566092800.

The previous prime is 2123107159. The next prime is 2123107229. The reversal of 2123107200 is 27013212.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 255105 + ... + 263295.

It is an arithmetic number, because the mean of its divisors is an integer number (32648704).

Almost surely, 2^2123107200 is an apocalyptic number.

2123107200 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 2123107200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3917844480).

2123107200 is an abundant number, since it is smaller than the sum of its proper divisors (5712581760).

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

2123107200 is an equidigital number, since it uses as much as digits as its factorization.

2123107200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2123107200 is about 46077.1874141641. The cubic root of 2123107200 is about 1285.2589625803.

The spelling of 2123107200 in words is "two billion, one hundred twenty-three million, one hundred seven thousand, two hundred".