4223123223001 has 4 divisors (see below), whose sum is σ = 4238369155492. Its totient is φ = 4207877290512.

The previous prime is 4223123222993. The next prime is 4223123223047. The reversal of 4223123223001 is 1003223213224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2906479425600 + 1316643797401 = 1704840^2 + 1147451^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223123223001 - 2³ = 4223123222993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223123203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7622965830 + ... + 7622966383.

It is an arithmetic number, because the mean of its divisors is an integer number (1059592288873).

Almost surely, 2^{4223123223001} is an apocalyptic number.

It is an amenable number.

4223123223001 is a deficient number, since it is larger than the sum of its proper divisors (15245932491).

4223123223001 is a wasteful number, since it uses less digits than its factorization.

4223123223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245932490.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4223123223001 its reverse (1003223213224), we get a palindrome (5226346436225).

The spelling of 4223123223001 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-three thousand, one".