3123223321 has 4 divisors (see below), whose sum is σ = 3152412432. Its totient is φ = 3094034212.

The previous prime is 3123223297. The next prime is 3123223349. The reversal of 3123223321 is 1233223213.

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 3123223321 - 2³¹ = 975739673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123223292 and 3123223301.

It is not an unprimeable number, because it can be changed into a prime (3123223381) 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, 14594395 + ... + 14594608.

It is an arithmetic number, because the mean of its divisors is an integer number (788103108).

Almost surely, 2^3123223321 is an apocalyptic number.

It is an amenable number.

3123223321 is a deficient number, since it is larger than the sum of its proper divisors (29189111).

3123223321 is a wasteful number, since it uses less digits than its factorization.

3123223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29189110.

The product of its digits is 1296, while the sum is 22.

The square root of 3123223321 is about 55885.8060781090. The cubic root of 3123223321 is about 1461.7317477333.

Adding to 3123223321 its reverse (1233223213), we get a palindrome (4356446534).

The spelling of 3123223321 in words is "three billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty-one".