20232220323 has 16 divisors (see below), whose sum is σ = 31335462656. Its totient is φ = 11371739040.

The previous prime is 20232220289. The next prime is 20232220343. The reversal of 20232220323 is 32302223202.

It is not a de Polignac number, because 20232220323 - 2⁶ = 20232220259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 20232220323.

It is not an unprimeable number, because it can be changed into a prime (20232220343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7895761 + ... + 7898322.

It is an arithmetic number, because the mean of its divisors is an integer number (1958466416).

Almost surely, 2^20232220323 is an apocalyptic number.

20232220323 is a deficient number, since it is larger than the sum of its proper divisors (11103242333).

20232220323 is a wasteful number, since it uses less digits than its factorization.

20232220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15794154.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20232220323 its reverse (32302223202), we get a palindrome (52534443525).

The spelling of 20232220323 in words is "twenty billion, two hundred thirty-two million, two hundred twenty thousand, three hundred twenty-three".