3123201144 has 64 divisors (see below), whose sum is σ = 9211299840. Its totient is φ = 863556480.

The previous prime is 3123201127. The next prime is 3123201173. The reversal of 3123201144 is 4411023213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3123201144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294639 + ... + 305054.

It is an arithmetic number, because the mean of its divisors is an integer number (143926560).

Almost surely, 2^3123201144 is an apocalyptic number.

It is an amenable number.

3123201144 is an abundant number, since it is smaller than the sum of its proper divisors (6088098696).

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

3123201144 is a wasteful number, since it uses less digits than its factorization.

3123201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599740 (or 599736 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3123201144 is about 55885.6076642278. The cubic root of 3123201144 is about 1461.7282879634.

Adding to 3123201144 its reverse (4411023213), we get a palindrome (7534224357).

The spelling of 3123201144 in words is "three billion, one hundred twenty-three million, two hundred one thousand, one hundred forty-four".