2123003000 has 128 divisors (see below), whose sum is σ = 5411016000. Its totient is φ = 776563200.

The previous prime is 2123002997. The next prime is 2123003053. The reversal of 2123003000 is 3003212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549074 + ... + 552926.

Almost surely, 2^2123003000 is an apocalyptic number.

2123003000 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 2123003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2705508000).

2123003000 is an abundant number, since it is smaller than the sum of its proper divisors (3288013000).

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

2123003000 is a wasteful number, since it uses less digits than its factorization.

2123003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922 (or 3908 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2123003000 is about 46076.0566889138. The cubic root of 2123003000 is about 1285.2379358237.

Adding to 2123003000 its reverse (3003212), we get a palindrome (2126006212).

The spelling of 2123003000 in words is "two billion, one hundred twenty-three million, three thousand".