423456225 has 24 divisors (see below), whose sum is σ = 700952160. Its totient is φ = 225573120.

The previous prime is 423456223. The next prime is 423456251. The reversal of 423456225 is 522654324.

It is a happy number.

It is not a de Polignac number, because 423456225 - 2¹ = 423456223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423456223) 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 23 ways as a sum of consecutive naturals, for example, 70386 + ... + 76164.

It is an arithmetic number, because the mean of its divisors is an integer number (29206340).

Almost surely, 2^423456225 is an apocalyptic number.

It is an amenable number.

423456225 is a deficient number, since it is larger than the sum of its proper divisors (277495935).

423456225 is a wasteful number, since it uses less digits than its factorization.

423456225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6764 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 423456225 is about 20578.0520215107. The cubic root of 423456225 is about 750.9358539730.

The spelling of 423456225 in words is "four hundred twenty-three million, four hundred fifty-six thousand, two hundred twenty-five".