4123213321 has 8 divisors (see below), whose sum is σ = 4279976064. Its totient is φ = 3969327120.

The previous prime is 4123213309. The next prime is 4123213333. The reversal of 4123213321 is 1233123214.

It is an interprime number because it is at equal distance from previous prime (4123213309) and next prime (4123213333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4123213321 - 2¹⁹ = 4122689033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4123213292 and 4123213301.

It is not an unprimeable number, because it can be changed into a prime (4123213121) 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 7 ways as a sum of consecutive naturals, for example, 716215 + ... + 721948.

It is an arithmetic number, because the mean of its divisors is an integer number (534997008).

Almost surely, 2^4123213321 is an apocalyptic number.

It is an amenable number.

4123213321 is a deficient number, since it is larger than the sum of its proper divisors (156762743).

4123213321 is a wasteful number, since it uses less digits than its factorization.

4123213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438271.

The product of its digits is 864, while the sum is 22.

The square root of 4123213321 is about 64212.2521097026. The cubic root of 4123213321 is about 1603.5355827015.

Adding to 4123213321 its reverse (1233123214), we get a palindrome (5356336535).

The spelling of 4123213321 in words is "four billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-one".