4223103230021 has 12 divisors (see below), whose sum is σ = 4573964717028. Its totient is φ = 3897380807424.

The previous prime is 4223103229991. The next prime is 4223103230057. The reversal of 4223103230021 is 1200323013224.

It can be written as a sum of positive squares in 6 ways, for example, as 173997436900 + 4049105793121 = 417130^2 + 2012239^2 .

It is not a de Polignac number, because 4223103230021 - 2¹⁸ = 4223102967877 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 (4223103238021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2021540 + ... + 3540173.

It is an arithmetic number, because the mean of its divisors is an integer number (381163726419).

Almost surely, 2^{4223103230021} is an apocalyptic number.

It is an amenable number.

4223103230021 is a deficient number, since it is larger than the sum of its proper divisors (350861487007).

4223103230021 is a wasteful number, since it uses less digits than its factorization.

4223103230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566232 (or 5566219 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 4223103230021 its reverse (1200323013224), we get a palindrome (5423426243245).

The spelling of 4223103230021 in words is "four trillion, two hundred twenty-three billion, one hundred three million, two hundred thirty thousand, twenty-one".