4223123243201 has 4 divisors (see below), whose sum is σ = 4445392887600. Its totient is φ = 4000853598804.

The previous prime is 4223123243191. The next prime is 4223123243237. The reversal of 4223123243201 is 1023423213224.

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 a de Polignac number, because none of the positive numbers 2^k-4223123243201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223123240201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111134822171 + ... + 111134822208.

It is an arithmetic number, because the mean of its divisors is an integer number (1111348221900).

Almost surely, 2^{4223123243201} is an apocalyptic number.

It is an amenable number.

4223123243201 is a deficient number, since it is larger than the sum of its proper divisors (222269644399).

4223123243201 is a wasteful number, since it uses less digits than its factorization.

4223123243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222269644398.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4223123243201 its reverse (1023423213224), we get a palindrome (5246546456425).

The spelling of 4223123243201 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred forty-three thousand, two hundred one".