423004120023 has 16 divisors (see below), whose sum is σ = 570944537856. Its totient is φ = 278534936640.

The previous prime is 423004119991. The next prime is 423004120057. The reversal of 423004120023 is 320021400324.

423004120023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 423004120023 - 2⁵ = 423004119991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423004120073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785763 + ... + 1209723.

It is an arithmetic number, because the mean of its divisors is an integer number (35684033616).

Almost surely, 2^423004120023 is an apocalyptic number.

423004120023 is a deficient number, since it is larger than the sum of its proper divisors (147940417833).

423004120023 is a wasteful number, since it uses less digits than its factorization.

423004120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428054.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 423004120023 its reverse (320021400324), we get a palindrome (743025520347).

The spelling of 423004120023 in words is "four hundred twenty-three billion, four million, one hundred twenty thousand, twenty-three".