4223432044021 has 8 divisors (see below), whose sum is σ = 4304228416344. Its totient is φ = 4142676744960.

The previous prime is 4223432044009. The next prime is 4223432044033. The reversal of 4223432044021 is 1204402343224.

It is an interprime number because it is at equal distance from previous prime (4223432044009) and next prime (4223432044033).

It can be written as a sum of positive squares in 4 ways, for example, as 1134587128900 + 3088844915121 = 1065170^2 + 1757511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4223432044021 - 2¹¹ = 4223432041973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223432044061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10060656 + ... + 10472041.

It is an arithmetic number, because the mean of its divisors is an integer number (538028552043).

Almost surely, 2^{4223432044021} is an apocalyptic number.

It is an amenable number.

4223432044021 is a deficient number, since it is larger than the sum of its proper divisors (80796372323).

4223432044021 is a wasteful number, since it uses less digits than its factorization.

4223432044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536631.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4223432044021 its reverse (1204402343224), we get a palindrome (5427834387245).

The spelling of 4223432044021 in words is "four trillion, two hundred twenty-three billion, four hundred thirty-two million, forty-four thousand, twenty-one".