4021343123432 has 48 divisors (see below), whose sum is σ = 8050297854060. Its totient is φ = 1882790475776.

The previous prime is 4021343123407. The next prime is 4021343123461. The reversal of 4021343123432 is 2343213431204.

It can be written as a sum of positive squares in 6 ways, for example, as 3958134124036 + 63208999396 = 1989506^2 + 251414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3959093 + ... + 4870020.

Almost surely, 2^{4021343123432} is an apocalyptic number.

It is an amenable number.

4021343123432 is an abundant number, since it is smaller than the sum of its proper divisors (4028954730628).

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

4021343123432 is a wasteful number, since it uses less digits than its factorization.

4021343123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829350 (or 8829329 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 4021343123432 its reverse (2343213431204), we get a palindrome (6364556554636).

The spelling of 4021343123432 in words is "four trillion, twenty-one billion, three hundred forty-three million, one hundred twenty-three thousand, four hundred thirty-two".