423518469 has 8 divisors (see below), whose sum is σ = 616026912. Its totient is φ = 256677840.

The previous prime is 423518449. The next prime is 423518471. The reversal of 423518469 is 964815324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423518469 - 2¹² = 423514373 is a prime.

It is a super-2 number, since 2×423518469² = 358735787168207922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 423518469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423518419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6416914 + ... + 6416979.

It is an arithmetic number, because the mean of its divisors is an integer number (77003364).

Almost surely, 2^423518469 is an apocalyptic number.

It is an amenable number.

423518469 is a deficient number, since it is larger than the sum of its proper divisors (192508443).

423518469 is a wasteful number, since it uses less digits than its factorization.

423518469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833907.

The product of its digits is 207360, while the sum is 42.

The square root of 423518469 is about 20579.5643539896. The cubic root of 423518469 is about 750.9726456243.

The spelling of 423518469 in words is "four hundred twenty-three million, five hundred eighteen thousand, four hundred sixty-nine".