2123031444 has 12 divisors (see below), whose sum is σ = 4953740064. Its totient is φ = 707677144.

The previous prime is 2123031439. The next prime is 2123031467. The reversal of 2123031444 is 4441303212.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 88459632 + ... + 88459655.

It is an arithmetic number, because the mean of its divisors is an integer number (412811672).

Almost surely, 2^2123031444 is an apocalyptic number.

It is an amenable number.

2123031444 is an abundant number, since it is smaller than the sum of its proper divisors (2830708620).

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

2123031444 is a wasteful number, since it uses less digits than its factorization.

2123031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176919294 (or 176919292 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2123031444 is about 46076.3653514467. The cubic root of 2123031444 is about 1285.2436756719.

Adding to 2123031444 its reverse (4441303212), we get a palindrome (6564334656).

The spelling of 2123031444 in words is "two billion, one hundred twenty-three million, thirty-one thousand, four hundred forty-four".