20010323323 has 4 divisors (see below), whose sum is σ = 20013615720. Its totient is φ = 20007030928.

The previous prime is 20010323317. The next prime is 20010323353. The reversal of 20010323323 is 32332301002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20010323323 - 2¹³ = 20010315131 is a prime.

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 20010323323.

It is not an unprimeable number, because it can be changed into a prime (20010323353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637065 + ... + 1649242.

It is an arithmetic number, because the mean of its divisors is an integer number (5003403930).

Almost surely, 2^20010323323 is an apocalyptic number.

20010323323 is a deficient number, since it is larger than the sum of its proper divisors (3292397).

20010323323 is an equidigital number, since it uses as much as digits as its factorization.

20010323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292396.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20010323323 its reverse (32332301002), we get a palindrome (52342624325).

The spelling of 20010323323 in words is "twenty billion, ten million, three hundred twenty-three thousand, three hundred twenty-three".