4321121323 has 8 divisors (see below), whose sum is σ = 4510035936. Its totient is φ = 4136184000.

The previous prime is 4321121281. The next prime is 4321121327. The reversal of 4321121323 is 3231211234.

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 4321121323 - 2¹³ = 4321113131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321121294 and 4321121303.

It is not an unprimeable number, because it can be changed into a prime (4321121327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992103 + ... + 996448.

It is an arithmetic number, because the mean of its divisors is an integer number (563754492).

Almost surely, 2^4321121323 is an apocalyptic number.

4321121323 is a deficient number, since it is larger than the sum of its proper divisors (188914613).

4321121323 is a wasteful number, since it uses less digits than its factorization.

4321121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988645.

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

The square root of 4321121323 is about 65735.2365402301. The cubic root of 4321121323 is about 1628.7914716048.

Adding to 4321121323 its reverse (3231211234), we get a palindrome (7552332557).

The spelling of 4321121323 in words is "four billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred twenty-three".