20133224323 has 4 divisors (see below), whose sum is σ = 20141488240. Its totient is φ = 20124960408.

The previous prime is 20133224311. The next prime is 20133224359. The reversal of 20133224323 is 32342233102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133224323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133224383) 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, 4128303 + ... + 4133176.

It is an arithmetic number, because the mean of its divisors is an integer number (5035372060).

Almost surely, 2^20133224323 is an apocalyptic number.

20133224323 is a deficient number, since it is larger than the sum of its proper divisors (8263917).

20133224323 is an equidigital number, since it uses as much as digits as its factorization.

20133224323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263916.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20133224323 its reverse (32342233102), we get a palindrome (52475457425).

The spelling of 20133224323 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-four thousand, three hundred twenty-three".