4321343420 has 48 divisors (see below), whose sum is σ = 9315528768. Its totient is φ = 1682864640.

The previous prime is 4321343387. The next prime is 4321343443. The reversal of 4321343420 is 243431234.

It is a self number, because there is not a number n which added to its sum of digits gives 4321343420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407222 + ... + 417698.

It is an arithmetic number, because the mean of its divisors is an integer number (194073516).

Almost surely, 2^4321343420 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 4321343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4657764384).

4321343420 is an abundant number, since it is smaller than the sum of its proper divisors (4994185348).

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

4321343420 is a wasteful number, since it uses less digits than its factorization.

4321343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030 (or 11028 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4321343420 is about 65736.9258484149. The cubic root of 4321343420 is about 1628.8193766688.

Adding to 4321343420 its reverse (243431234), we get a palindrome (4564774654).

The spelling of 4321343420 in words is "four billion, three hundred twenty-one million, three hundred forty-three thousand, four hundred twenty".