2143453122 has 48 divisors (see below), whose sum is σ = 4907485440. Its totient is φ = 674758656.

The previous prime is 2143453087. The next prime is 2143453139. The reversal of 2143453122 is 2213543412.

2143453122 is a `hidden beast` number, since 2 + 1 + 4 + 345 + 312 + 2 = 666.

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, 63 + ... + 65474.

It is an arithmetic number, because the mean of its divisors is an integer number (102239280).

Almost surely, 2^2143453122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143453122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2453742720).

2143453122 is an abundant number, since it is smaller than the sum of its proper divisors (2764032318).

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

2143453122 is a wasteful number, since it uses less digits than its factorization.

2143453122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65647 (or 65644 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2143453122 is about 46297.4418515753. The cubic root of 2143453122 is about 1289.3515002578.

Adding to 2143453122 its reverse (2213543412), we get a palindrome (4356996534).

The spelling of 2143453122 in words is "two billion, one hundred forty-three million, four hundred fifty-three thousand, one hundred twenty-two".