20004023223 has 8 divisors (see below), whose sum is σ = 29635590000. Its totient is φ = 13336015464.

The previous prime is 20004023183. The next prime is 20004023239. The reversal of 20004023223 is 32232040002.

It is not a de Polignac number, because 20004023223 - 2²⁹ = 19467152311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20004023196 and 20004023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004023423) 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, 370444848 + ... + 370444901.

It is an arithmetic number, because the mean of its divisors is an integer number (3704448750).

Almost surely, 2^20004023223 is an apocalyptic number.

20004023223 is a deficient number, since it is larger than the sum of its proper divisors (9631566777).

20004023223 is an equidigital number, since it uses as much as digits as its factorization.

20004023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740889758 (or 740889752 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20004023223 its reverse (32232040002), we get a palindrome (52236063225).

The spelling of 20004023223 in words is "twenty billion, four million, twenty-three thousand, two hundred twenty-three".