423351243 has 12 divisors (see below), whose sum is σ = 698865648. Its totient is φ = 241914960.

The previous prime is 423351239. The next prime is 423351277. The reversal of 423351243 is 342153324.

It is not a de Polignac number, because 423351243 - 2² = 423351239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423351343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3359868 + ... + 3359993.

It is an arithmetic number, because the mean of its divisors is an integer number (58238804).

Almost surely, 2^423351243 is an apocalyptic number.

423351243 is a deficient number, since it is larger than the sum of its proper divisors (275514405).

423351243 is a wasteful number, since it uses less digits than its factorization.

423351243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719874 (or 6719871 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 423351243 is about 20575.5010388569. The cubic root of 423351243 is about 750.8737922541.

The spelling of 423351243 in words is "four hundred twenty-three million, three hundred fifty-one thousand, two hundred forty-three".