423613329 has 8 divisors (see below), whose sum is σ = 573248160. Its totient is φ = 278193696.

The previous prime is 423613313. The next prime is 423613343. The reversal of 423613329 is 923316324.

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

It is not a de Polignac number, because 423613329 - 2⁴ = 423613313 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423613329.

It is not an unprimeable number, because it can be changed into a prime (423613129) 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 7 ways as a sum of consecutive naturals, for example, 1053564 + ... + 1053965.

It is an arithmetic number, because the mean of its divisors is an integer number (71656020).

Almost surely, 2^423613329 is an apocalyptic number.

It is an amenable number.

423613329 is a deficient number, since it is larger than the sum of its proper divisors (149634831).

423613329 is a wasteful number, since it uses less digits than its factorization.

423613329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107599.

The product of its digits is 23328, while the sum is 33.

The square root of 423613329 is about 20581.8689384613. The cubic root of 423613329 is about 751.0287092535.

The spelling of 423613329 in words is "four hundred twenty-three million, six hundred thirteen thousand, three hundred twenty-nine".