20004200023 has 2 divisors, whose sum is σ = 20004200024. Its totient is φ = 20004200022.

The previous prime is 20004200003. The next prime is 20004200057. The reversal of 20004200023 is 32000240002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20004200023 - 2⁵ = 20004199991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20004199976 and 20004200012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004200003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002100011 + 10002100012.

It is an arithmetic number, because the mean of its divisors is an integer number (10002100012).

Almost surely, 2^20004200023 is an apocalyptic number.

20004200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004200023 is an equidigital number, since it uses as much as digits as its factorization.

20004200023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20004200023 its reverse (32000240002), we get a palindrome (52004440025).

The spelling of 20004200023 in words is "twenty billion, four million, two hundred thousand, twenty-three".