3120423326784 has 189 divisors, whose sum is σ = 9056706327877. Its totient is φ = 1027210533888.

The previous prime is 3120423326777. The next prime is 3120423326789. The reversal of 3120423326784 is 4876233240213.

The square root of 3120423326784 is 1766472.

It is a perfect power (a square), and thus also a powerful number.

3120423326784 is a `hidden beast` number, since 3 + 120 + 423 + 3 + 26 + 7 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 599187461184 + 2521235865600 = 774072^2 + 1587840^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120423326789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3773183779 + ... + 3773184605.

Almost surely, 2^{3120423326784} is an apocalyptic number.

3120423326784 is the 1766472-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120423326784

3120423326784 is an abundant number, since it is smaller than the sum of its proper divisors (5936283001093).

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

3120423326784 is an frugal number, since it uses more digits than its factorization.

3120423326784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

Adding to 3120423326784 its reverse (4876233240213), we get a palindrome (7996656566997).

The spelling of 3120423326784 in words is "three trillion, one hundred twenty billion, four hundred twenty-three million, three hundred twenty-six thousand, seven hundred eighty-four".