430443223420 has 72 divisors (see below), whose sum is σ = 1052657696160. Its totient is φ = 147419637120.

The previous prime is 430443223391. The next prime is 430443223477. The reversal of 430443223420 is 24322344034.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 661650 + ... + 1139590.

It is an arithmetic number, because the mean of its divisors is an integer number (14620245780).

Almost surely, 2^430443223420 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 430443223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526328848080).

430443223420 is an abundant number, since it is smaller than the sum of its proper divisors (622214472740).

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

430443223420 is a wasteful number, since it uses less digits than its factorization.

430443223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478883 (or 478874 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 430443223420 its reverse (24322344034), we get a palindrome (454765567454).

The spelling of 430443223420 in words is "four hundred thirty billion, four hundred forty-three million, two hundred twenty-three thousand, four hundred twenty".