20233023423 has 4 divisors (see below), whose sum is σ = 26977364568. Its totient is φ = 13488682280.

The previous prime is 20233023407. The next prime is 20233023469. The reversal of 20233023423 is 32432033202.

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 20233023423 - 2⁴ = 20233023407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233023393 and 20233023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233023403) 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, 3372170568 + ... + 3372170573.

It is an arithmetic number, because the mean of its divisors is an integer number (6744341142).

Almost surely, 2^20233023423 is an apocalyptic number.

20233023423 is a deficient number, since it is larger than the sum of its proper divisors (6744341145).

20233023423 is an equidigital number, since it uses as much as digits as its factorization.

20233023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744341144.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20233023423 its reverse (32432033202), we get a palindrome (52665056625).

The spelling of 20233023423 in words is "twenty billion, two hundred thirty-three million, twenty-three thousand, four hundred twenty-three".