2123604300 has 72 divisors (see below), whose sum is σ = 6505739856. Its totient is φ = 532981760.

The previous prime is 2123604299. The next prime is 2123604323. The reversal of 2123604300 is 34063212.

It is a happy number.

2123604300 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 203097 + ... + 213296.

It is an arithmetic number, because the mean of its divisors is an integer number (90357498).

Almost surely, 2^2123604300 is an apocalyptic number.

2123604300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123604300 is an abundant number, since it is smaller than the sum of its proper divisors (4382135556).

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

2123604300 is a wasteful number, since it uses less digits than its factorization.

2123604300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416427 (or 416420 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2123604300 is about 46082.5813079085. The cubic root of 2123604300 is about 1285.3592640587.

Adding to 2123604300 its reverse (34063212), we get a palindrome (2157667512).

The spelling of 2123604300 in words is "two billion, one hundred twenty-three million, six hundred four thousand, three hundred".