423418985 has 8 divisors (see below), whose sum is σ = 554294016. Its totient is φ = 307941040.

The previous prime is 423418973. The next prime is 423418991. The reversal of 423418985 is 589814324.

It is a happy number.

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

It is not a de Polignac number, because 423418985 - 2¹⁶ = 423353449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849209 + ... + 3849318.

It is an arithmetic number, because the mean of its divisors is an integer number (69286752).

Almost surely, 2^423418985 is an apocalyptic number.

It is an amenable number.

423418985 is a deficient number, since it is larger than the sum of its proper divisors (130875031).

423418985 is a wasteful number, since it uses less digits than its factorization.

423418985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698543.

The product of its digits is 276480, while the sum is 44.

The square root of 423418985 is about 20577.1471540639. The cubic root of 423418985 is about 750.9138401501.

The spelling of 423418985 in words is "four hundred twenty-three million, four hundred eighteen thousand, nine hundred eighty-five".