3123200444 has 72 divisors (see below), whose sum is σ = 6865504128. Its totient is φ = 1216987200.

The previous prime is 3123200417. The next prime is 3123200489. The reversal of 3123200444 is 4440023213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312119 + ... + 321969.

It is an arithmetic number, because the mean of its divisors is an integer number (95354224).

Almost surely, 2^3123200444 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 3123200444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432752064).

3123200444 is an abundant number, since it is smaller than the sum of its proper divisors (3742303684).

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

3123200444 is a wasteful number, since it uses less digits than its factorization.

3123200444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9940 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3123200444 is about 55885.6014014343. The cubic root of 3123200444 is about 1461.7281787582.

Adding to 3123200444 its reverse (4440023213), we get a palindrome (7563223657).

The spelling of 3123200444 in words is "three billion, one hundred twenty-three million, two hundred thousand, four hundred forty-four".