20043351323 has 8 divisors (see below), whose sum is σ = 20262492576. Its totient is φ = 19824616000.

The previous prime is 20043351259. The next prime is 20043351343. The reversal of 20043351323 is 32315334002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043351323 - 2⁶ = 20043351259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20043351292 and 20043351301.

It is not an unprimeable number, because it can be changed into a prime (20043351343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658 + ... + 200223.

It is an arithmetic number, because the mean of its divisors is an integer number (2532811572).

Almost surely, 2^20043351323 is an apocalyptic number.

20043351323 is a deficient number, since it is larger than the sum of its proper divisors (219141253).

20043351323 is a wasteful number, since it uses less digits than its factorization.

20043351323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202965.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20043351323 its reverse (32315334002), we get a palindrome (52358685325).

The spelling of 20043351323 in words is "twenty billion, forty-three million, three hundred fifty-one thousand, three hundred twenty-three".