20132322320023 has 4 divisors (see below), whose sum is σ = 21316576574160. Its totient is φ = 18948068065888.

The previous prime is 20132322320009. The next prime is 20132322320041. The reversal of 20132322320023 is 32002322323102.

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-20132322320023 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 20132322320023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132322320323) 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, 592127127043 + ... + 592127127076.

It is an arithmetic number, because the mean of its divisors is an integer number (5329144143540).

Almost surely, 2^{20132322320023} is an apocalyptic number.

20132322320023 is a deficient number, since it is larger than the sum of its proper divisors (1184254254137).

20132322320023 is a wasteful number, since it uses less digits than its factorization.

20132322320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184254254136.

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

Adding to 20132322320023 its reverse (32002322323102), we get a palindrome (52134644643125).

The spelling of 20132322320023 in words is "twenty trillion, one hundred thirty-two billion, three hundred twenty-two million, three hundred twenty thousand, twenty-three".