2203123200 has 120 divisors (see below), whose sum is σ = 7278006648. Its totient is φ = 587489280.

The previous prime is 2203123187. The next prime is 2203123213. The reversal of 2203123200 is 23213022.

It is an interprime number because it is at equal distance from previous prime (2203123187) and next prime (2203123213).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2203123200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9714 + ... + 67086.

Almost surely, 2^2203123200 is an apocalyptic number.

2203123200 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 2203123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639003324).

2203123200 is an abundant number, since it is smaller than the sum of its proper divisors (5074883448).

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

2203123200 is an equidigital number, since it uses as much as digits as its factorization.

2203123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57404 (or 57383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2203123200 is about 46937.4392143415. The cubic root of 2203123200 is about 1301.2066114772.

Adding to 2203123200 its reverse (23213022), we get a palindrome (2226336222).

The spelling of 2203123200 in words is "two billion, two hundred three million, one hundred twenty-three thousand, two hundred".