20243233423 has 8 divisors (see below), whose sum is σ = 23290394400. Its totient is φ = 17234890080.

The previous prime is 20243233393. The next prime is 20243233477. The reversal of 20243233423 is 32433234202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20243233423 - 2¹³ = 20243225231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20243233391 and 20243233400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243233223) 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, 9703288 + ... + 9705373.

It is an arithmetic number, because the mean of its divisors is an integer number (2911299300).

Almost surely, 2^20243233423 is an apocalyptic number.

20243233423 is a deficient number, since it is larger than the sum of its proper divisors (3047160977).

20243233423 is a wasteful number, since it uses less digits than its factorization.

20243233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408817.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20243233423 its reverse (32433234202), we get a palindrome (52676467625).

The spelling of 20243233423 in words is "twenty billion, two hundred forty-three million, two hundred thirty-three thousand, four hundred twenty-three".