423012105 has 128 divisors (see below), whose sum is σ = 855360000. Its totient is φ = 197074944.

The previous prime is 423012097. The next prime is 423012127. The reversal of 423012105 is 501210324.

It is not a de Polignac number, because 423012105 - 2³ = 423012097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3880791 + ... + 3880899.

It is an arithmetic number, because the mean of its divisors is an integer number (6682500).

Almost surely, 2^423012105 is an apocalyptic number.

423012105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423012105 is an abundant number, since it is smaller than the sum of its proper divisors (432347895).

423012105 is a wasteful number, since it uses less digits than its factorization.

423012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 423012105 is about 20567.2580817181. The cubic root of 423012105 is about 750.6732354911.

Adding to 423012105 its reverse (501210324), we get a palindrome (924222429).

The spelling of 423012105 in words is "four hundred twenty-three million, twelve thousand, one hundred five".