3220003001323 has 4 divisors (see below), whose sum is σ = 3220810225920. Its totient is φ = 3219195776728.

The previous prime is 3220003001309. The next prime is 3220003001359. The reversal of 3220003001323 is 3231003000223.

It is a happy number.

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 3220003001323 - 2¹⁷ = 3220002870251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220003001323.

It is not an unprimeable number, because it can be changed into a prime (3220003007323) 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, 403606315 + ... + 403614292.

It is an arithmetic number, because the mean of its divisors is an integer number (805202556480).

Almost surely, 2^{3220003001323} is an apocalyptic number.

3220003001323 is a deficient number, since it is larger than the sum of its proper divisors (807224597).

3220003001323 is an equidigital number, since it uses as much as digits as its factorization.

3220003001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807224596.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 3220003001323 its reverse (3231003000223), we get a palindrome (6451006001546).

The spelling of 3220003001323 in words is "three trillion, two hundred twenty billion, three million, one thousand, three hundred twenty-three".