423396143 has 16 divisors (see below), whose sum is σ = 452342880. Its totient is φ = 395531136.

The previous prime is 423396119. The next prime is 423396151. The reversal of 423396143 is 341693324.

It is a cyclic number.

It is not a de Polignac number, because 423396143 - 2¹⁸ = 423133999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423326143) 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, 210380 + ... + 212382.

It is an arithmetic number, because the mean of its divisors is an integer number (28271430).

Almost surely, 2^423396143 is an apocalyptic number.

423396143 is a deficient number, since it is larger than the sum of its proper divisors (28946737).

423396143 is a wasteful number, since it uses less digits than its factorization.

423396143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266.

The product of its digits is 46656, while the sum is 35.

The square root of 423396143 is about 20576.5921133700. The cubic root of 423396143 is about 750.9003368330.

The spelling of 423396143 in words is "four hundred twenty-three million, three hundred ninety-six thousand, one hundred forty-three".