20323321323 has 8 divisors (see below), whose sum is σ = 27111298368. Its totient is φ = 13542112584.

The previous prime is 20323321321. The next prime is 20323321349. The reversal of 20323321323 is 32312332302.

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

It is not a de Polignac number, because 20323321323 - 2¹ = 20323321321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20323321293 and 20323321302.

It is not an unprimeable number, because it can be changed into a prime (20323321321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685065 + ... + 1697082.

It is an arithmetic number, because the mean of its divisors is an integer number (3388912296).

Almost surely, 2^20323321323 is an apocalyptic number.

20323321323 is a deficient number, since it is larger than the sum of its proper divisors (6787977045).

20323321323 is a wasteful number, since it uses less digits than its factorization.

20323321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384153.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20323321323 its reverse (32312332302), we get a palindrome (52635653625).

The spelling of 20323321323 in words is "twenty billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty-three".