4123222321 has 4 divisors (see below), whose sum is σ = 4126388032. Its totient is φ = 4120056612.

The previous prime is 4123222307. The next prime is 4123222331. The reversal of 4123222321 is 1232223214.

4123222321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4123222321 - 2⁷ = 4123222193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4123222292 and 4123222301.

It is not an unprimeable number, because it can be changed into a prime (4123222331) 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, 1580901 + ... + 1583506.

It is an arithmetic number, because the mean of its divisors is an integer number (1031597008).

Almost surely, 2^4123222321 is an apocalyptic number.

It is an amenable number.

4123222321 is a deficient number, since it is larger than the sum of its proper divisors (3165711).

4123222321 is a wasteful number, since it uses less digits than its factorization.

4123222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165710.

The product of its digits is 1152, while the sum is 22.

The square root of 4123222321 is about 64212.3221897480. The cubic root of 4123222321 is about 1603.5367494137.

Adding to 4123222321 its reverse (1232223214), we get a palindrome (5355445535).

The spelling of 4123222321 in words is "four billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred twenty-one".