3243123312 has 120 divisors (see below), whose sum is σ = 9917563152. Its totient is φ = 907146240.

The previous prime is 3243123277. The next prime is 3243123343. The reversal of 3243123312 is 2133213423.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 54028 + ... + 96980.

Almost surely, 2^3243123312 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 3243123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4958781576).

3243123312 is an abundant number, since it is smaller than the sum of its proper divisors (6674439840).

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

3243123312 is a wasteful number, since it uses less digits than its factorization.

3243123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42999 (or 42982 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 3243123312 is about 56948.4267737046. The cubic root of 3243123312 is about 1480.2025702760.

Adding to 3243123312 its reverse (2133213423), we get a palindrome (5376336735).

The spelling of 3243123312 in words is "three billion, two hundred forty-three million, one hundred twenty-three thousand, three hundred twelve".