2123223300 has 432 divisors, whose sum is σ = 7693188160. Its totient is φ = 501811200.

The previous prime is 2123223259. The next prime is 2123223353. The reversal of 2123223300 is 33223212.

It is a happy number.

2123223300 is a `hidden beast` number, since 2 + 12 + 322 + 330 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21888852 + ... + 21888948.

Almost surely, 2^2123223300 is an apocalyptic number.

2123223300 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 2123223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3846594080).

2123223300 is an abundant number, since it is smaller than the sum of its proper divisors (5569964860).

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

2123223300 is a wasteful number, since it uses less digits than its factorization.

2123223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2123223300 is about 46078.4472394633. The cubic root of 2123223300 is about 1285.2823898549.

Adding to 2123223300 its reverse (33223212), we get a palindrome (2156446512).

The spelling of 2123223300 in words is "two billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred".