4342123223 has 4 divisors (see below), whose sum is σ = 4491851640. Its totient is φ = 4192394808.

The previous prime is 4342123193. The next prime is 4342123243. The reversal of 4342123223 is 3223212434.

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 4342123223 - 2²⁸ = 4073687767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4342123192 and 4342123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74864165 + ... + 74864222.

It is an arithmetic number, because the mean of its divisors is an integer number (1122962910).

Almost surely, 2^4342123223 is an apocalyptic number.

4342123223 is a deficient number, since it is larger than the sum of its proper divisors (149728417).

4342123223 is a wasteful number, since it uses less digits than its factorization.

4342123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149728416.

The product of its digits is 6912, while the sum is 26.

The square root of 4342123223 is about 65894.7890428371. The cubic root of 4342123223 is about 1631.4260072893.

Adding to 4342123223 its reverse (3223212434), we get a palindrome (7565335657).

The spelling of 4342123223 in words is "four billion, three hundred forty-two million, one hundred twenty-three thousand, two hundred twenty-three".