20243343323 has 4 divisors (see below), whose sum is σ = 23135249520. Its totient is φ = 17351437128.

The previous prime is 20243343311. The next prime is 20243343359. The reversal of 20243343323 is 32334334202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32334334202 = 2 ⋅16167167101.

It is a cyclic number.

It is not a de Polignac number, because 20243343323 - 2¹² = 20243339227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243343823) 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, 1445953088 + ... + 1445953101.

It is an arithmetic number, because the mean of its divisors is an integer number (5783812380).

Almost surely, 2^20243343323 is an apocalyptic number.

20243343323 is a deficient number, since it is larger than the sum of its proper divisors (2891906197).

20243343323 is an equidigital number, since it uses as much as digits as its factorization.

20243343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891906196.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 20243343323 its reverse (32334334202), we get a palindrome (52577677525).

The spelling of 20243343323 in words is "twenty billion, two hundred forty-three million, three hundred forty-three thousand, three hundred twenty-three".