20003223023 has 4 divisors (see below), whose sum is σ = 22860826320. Its totient is φ = 17145619728.

The previous prime is 20003222977. The next prime is 20003223041. The reversal of 20003223023 is 32032230002.

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 20003223023 - 2²² = 19999028719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003222992 and 20003223010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003223083) 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, 1428801638 + ... + 1428801651.

It is an arithmetic number, because the mean of its divisors is an integer number (5715206580).

Almost surely, 2^20003223023 is an apocalyptic number.

20003223023 is a deficient number, since it is larger than the sum of its proper divisors (2857603297).

20003223023 is an equidigital number, since it uses as much as digits as its factorization.

20003223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857603296.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20003223023 its reverse (32032230002), we get a palindrome (52035453025).

The spelling of 20003223023 in words is "twenty billion, three million, two hundred twenty-three thousand, twenty-three".