2123020300 has 18 divisors (see below), whose sum is σ = 4606954268. Its totient is φ = 849208080.

The previous prime is 2123020259. The next prime is 2123020301. The reversal of 2123020300 is 30203212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123020301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10615002 + ... + 10615201.

Almost surely, 2^2123020300 is an apocalyptic number.

2123020300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123020300 is an abundant number, since it is smaller than the sum of its proper divisors (2483933968).

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

2123020300 is a wasteful number, since it uses less digits than its factorization.

2123020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230217 (or 21230210 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2123020300 is about 46076.2444216106. The cubic root of 2123020300 is about 1285.2414268780.

Adding to 2123020300 its reverse (30203212), we get a palindrome (2153223512).

The spelling of 2123020300 in words is "two billion, one hundred twenty-three million, twenty thousand, three hundred".