4223454123 has 16 divisors (see below), whose sum is σ = 6445184256. Its totient is φ = 2409860640.

The previous prime is 4223454119. The next prime is 4223454139. The reversal of 4223454123 is 3214543224.

It is not a de Polignac number, because 4223454123 - 2² = 4223454119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4223454163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132888 + ... + 161573.

It is an arithmetic number, because the mean of its divisors is an integer number (402824016).

Almost surely, 2^4223454123 is an apocalyptic number.

4223454123 is a deficient number, since it is larger than the sum of its proper divisors (2221730133).

4223454123 is a wasteful number, since it uses less digits than its factorization.

4223454123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295154.

The product of its digits is 23040, while the sum is 30.

The square root of 4223454123 is about 64988.1075505357. The cubic root of 4223454123 is about 1616.4263707800.

Adding to 4223454123 its reverse (3214543224), we get a palindrome (7437997347).

The spelling of 4223454123 in words is "four billion, two hundred twenty-three million, four hundred fifty-four thousand, one hundred twenty-three".