423012023 has 16 divisors (see below), whose sum is σ = 489862464. Its totient is φ = 357799680.

The previous prime is 423012017. The next prime is 423012041. The reversal of 423012023 is 320210324.

It is not a de Polignac number, because 423012023 - 2²⁰ = 421963447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423011992 and 423012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172361 + ... + 174797.

It is an arithmetic number, because the mean of its divisors is an integer number (30616404).

Almost surely, 2^423012023 is an apocalyptic number.

423012023 is a deficient number, since it is larger than the sum of its proper divisors (66850441).

423012023 is a wasteful number, since it uses less digits than its factorization.

423012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423012023 is about 20567.2560882583. The cubic root of 423012023 is about 750.6731869857.

Adding to 423012023 its reverse (320210324), we get a palindrome (743222347).

The spelling of 423012023 in words is "four hundred twenty-three million, twelve thousand, twenty-three".