20024223423 has 4 divisors (see below), whose sum is σ = 26698964568. Its totient is φ = 13349482280.

The previous prime is 20024223397. The next prime is 20024223433. The reversal of 20024223423 is 32432242002.

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 20024223423 - 2¹⁰ = 20024222399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20024223393 and 20024223402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024223433) 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, 3337370568 + ... + 3337370573.

It is an arithmetic number, because the mean of its divisors is an integer number (6674741142).

Almost surely, 2^20024223423 is an apocalyptic number.

20024223423 is a deficient number, since it is larger than the sum of its proper divisors (6674741145).

20024223423 is an equidigital number, since it uses as much as digits as its factorization.

20024223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674741144.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20024223423 its reverse (32432242002), we get a palindrome (52456465425).

The spelling of 20024223423 in words is "twenty billion, twenty-four million, two hundred twenty-three thousand, four hundred twenty-three".