4223123243223 has 4 divisors (see below), whose sum is σ = 5630830990968. Its totient is φ = 2815415495480.

The previous prime is 4223123243191. The next prime is 4223123243237. The reversal of 4223123243223 is 3223423213224.

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

It is a cyclic number.

It is not a de Polignac number, because 4223123243223 - 2⁵ = 4223123243191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223123243243) 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, 703853873868 + ... + 703853873873.

It is an arithmetic number, because the mean of its divisors is an integer number (1407707747742).

Almost surely, 2^{4223123243223} is an apocalyptic number.

4223123243223 is a deficient number, since it is larger than the sum of its proper divisors (1407707747745).

4223123243223 is a wasteful number, since it uses less digits than its factorization.

4223123243223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407707747744.

The product of its digits is 82944, while the sum is 33.

Adding to 4223123243223 its reverse (3223423213224), we get a palindrome (7446546456447).

Subtracting from 4223123243223 its reverse (3223423213224), we obtain a cube (999700029999 = 9999³).

The spelling of 4223123243223 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred forty-three thousand, two hundred twenty-three".