423618803 has 8 divisors (see below), whose sum is σ = 429105600. Its totient is φ = 418141288.

The previous prime is 423618749. The next prime is 423618821. The reversal of 423618803 is 308816324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423618803 - 2⁶ = 423618739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423618203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162968 + ... + 165546.

It is an arithmetic number, because the mean of its divisors is an integer number (53638200).

Almost surely, 2^423618803 is an apocalyptic number.

423618803 is a deficient number, since it is larger than the sum of its proper divisors (5486797).

423618803 is a wasteful number, since it uses less digits than its factorization.

423618803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 423618803 is about 20582.0019191526. The cubic root of 423618803 is about 751.0319442111.

The spelling of 423618803 in words is "four hundred twenty-three million, six hundred eighteen thousand, eight hundred three".