2123544000 has 224 divisors, whose sum is σ = 7318711296. Its totient is φ = 541516800.

The previous prime is 2123543963. The next prime is 2123544061. The reversal of 2123544000 is 4453212.

2123544000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550077 + ... + 553923.

Almost surely, 2^2123544000 is an apocalyptic number.

2123544000 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 2123544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659355648).

2123544000 is an abundant number, since it is smaller than the sum of its proper divisors (5195167296).

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

2123544000 is a wasteful number, since it uses less digits than its factorization.

2123544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2123544000 is about 46081.9270430393. The cubic root of 2123544000 is about 1285.3470979665.

Adding to 2123544000 its reverse (4453212), we get a palindrome (2127997212).

The spelling of 2123544000 in words is "two billion, one hundred twenty-three million, five hundred forty-four thousand".