2123035544 has 64 divisors (see below), whose sum is σ = 4655112000. Its totient is φ = 907345152.

The previous prime is 2123035513. The next prime is 2123035561. The reversal of 2123035544 is 4455303212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253162 + ... + 1254854.

It is an arithmetic number, because the mean of its divisors is an integer number (72736125).

Almost surely, 2^2123035544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123035544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327556000).

2123035544 is an abundant number, since it is smaller than the sum of its proper divisors (2532076456).

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

2123035544 is a wasteful number, since it uses less digits than its factorization.

2123035544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2123035544 is about 46076.4098427818. The cubic root of 2123035544 is about 1285.2445030259.

Adding to 2123035544 its reverse (4455303212), we get a palindrome (6578338756).

The spelling of 2123035544 in words is "two billion, one hundred twenty-three million, thirty-five thousand, five hundred forty-four".