4223100323021 has 4 divisors (see below), whose sum is σ = 4223116548000. Its totient is φ = 4223084098044.

The previous prime is 4223100323009. The next prime is 4223100323027. The reversal of 4223100323021 is 1203230013224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4223100323021 - 2¹⁴ = 4223100306637 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 (4223100323027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7715591 + ... + 8244788.

It is an arithmetic number, because the mean of its divisors is an integer number (1055779137000).

Almost surely, 2^{4223100323021} is an apocalyptic number.

It is an amenable number.

4223100323021 is a deficient number, since it is larger than the sum of its proper divisors (16224979).

4223100323021 is a wasteful number, since it uses less digits than its factorization.

4223100323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16224978.

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

Adding to 4223100323021 its reverse (1203230013224), we get a palindrome (5426330336245).

The spelling of 4223100323021 in words is "four trillion, two hundred twenty-three billion, one hundred million, three hundred twenty-three thousand, twenty-one".