423606343 has 4 divisors (see below), whose sum is σ = 425614168. Its totient is φ = 421598520.

The previous prime is 423606331. The next prime is 423606367. The reversal of 423606343 is 343606324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423606343 - 2²¹ = 421509191 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 (423606643) 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 3 ways as a sum of consecutive naturals, for example, 1003596 + ... + 1004017.

It is an arithmetic number, because the mean of its divisors is an integer number (106403542).

Almost surely, 2^423606343 is an apocalyptic number.

423606343 is a deficient number, since it is larger than the sum of its proper divisors (2007825).

423606343 is a wasteful number, since it uses less digits than its factorization.

423606343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007824.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 423606343 is about 20581.6992252826. The cubic root of 423606343 is about 751.0245807121.

The spelling of 423606343 in words is "four hundred twenty-three million, six hundred six thousand, three hundred forty-three".