4032030323421 has 20 divisors (see below), whose sum is σ = 6121896685564. Its totient is φ = 2643954307200.

The previous prime is 4032030323407. The next prime is 4032030323437. The reversal of 4032030323421 is 1243230302304.

4032030323421 is a `hidden beast` number, since 4 + 0 + 3 + 203 + 0 + 32 + 3 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2142092760921 + 1889937562500 = 1463589^2 + 1374750^2 .

It is not a de Polignac number, because 4032030323421 - 2⁹ = 4032030322909 is a prime.

It is a super-2 number, since 2×4032030323421² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032030323471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 408012700 + ... + 408022581.

Almost surely, 2^{4032030323421} is an apocalyptic number.

It is an amenable number.

4032030323421 is a deficient number, since it is larger than the sum of its proper divisors (2089866362143).

4032030323421 is an equidigital number, since it uses as much as digits as its factorization.

4032030323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816035354 (or 816035345 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 4032030323421 its reverse (1243230302304), we get a palindrome (5275260625725).

The spelling of 4032030323421 in words is "four trillion, thirty-two billion, thirty million, three hundred twenty-three thousand, four hundred twenty-one".