20323023442323 has 16 divisors (see below), whose sum is σ = 30998748162816. Its totient is φ = 11601781944480.

The previous prime is 20323023442297. The next prime is 20323023442333. The reversal of 20323023442323 is 32324432032302.

It is a happy number.

It is not a de Polignac number, because 20323023442323 - 2¹⁶ = 20323023376787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20323023442333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473907561 + ... + 473950442.

It is an arithmetic number, because the mean of its divisors is an integer number (1937421760176).

Almost surely, 2^{20323023442323} is an apocalyptic number.

20323023442323 is a deficient number, since it is larger than the sum of its proper divisors (10675724720493).

20323023442323 is a wasteful number, since it uses less digits than its factorization.

20323023442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947859034.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 20323023442323 its reverse (32324432032302), we get a palindrome (52647455474625).

The spelling of 20323023442323 in words is "twenty trillion, three hundred twenty-three billion, twenty-three million, four hundred forty-two thousand, three hundred twenty-three".