2123203300 has 18 divisors (see below), whose sum is σ = 4607351378. Its totient is φ = 849281280.

The previous prime is 2123203283. The next prime is 2123203331. The reversal of 2123203300 is 33023212.

It can be written as a sum of positive squares in 3 ways, for example, as 506520036 + 1616683264 = 22506^2 + 40208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10615917 + ... + 10616116.

Almost surely, 2^2123203300 is an apocalyptic number.

2123203300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123203300 is an abundant number, since it is smaller than the sum of its proper divisors (2484148078).

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

2123203300 is a wasteful number, since it uses less digits than its factorization.

2123203300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232047 (or 21232040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2123203300 is about 46078.2302177503. The cubic root of 2123203300 is about 1285.2783542095.

Adding to 2123203300 its reverse (33023212), we get a palindrome (2156226512).

The spelling of 2123203300 in words is "two billion, one hundred twenty-three million, two hundred three thousand, three hundred".