4342123423 has 16 divisors (see below), whose sum is σ = 4828180896. Its totient is φ = 3872010240.

The previous prime is 4342123403. The next prime is 4342123427. The reversal of 4342123423 is 3243212434.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4342123423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4342123391 and 4342123400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342123427) 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, 102565 + ... + 138577.

It is an arithmetic number, because the mean of its divisors is an integer number (301761306).

Almost surely, 2^4342123423 is an apocalyptic number.

4342123423 is a deficient number, since it is larger than the sum of its proper divisors (486057473).

4342123423 is a wasteful number, since it uses less digits than its factorization.

4342123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36234.

The product of its digits is 13824, while the sum is 28.

The square root of 4342123423 is about 65894.7905604077. The cubic root of 4342123423 is about 1631.4260323374.

Adding to 4342123423 its reverse (3243212434), we get a palindrome (7585335857).

It can be divided in two parts, 4342 and 123423, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 4342123423 in words is "four billion, three hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-three".