423966803 has 4 divisors (see below), whose sum is σ = 456579648. Its totient is φ = 391353960.

The previous prime is 423966737. The next prime is 423966811. The reversal of 423966803 is 308669324.

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 423966803 - 2²⁶ = 356857939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423966833) 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 3 ways as a sum of consecutive naturals, for example, 16306403 + ... + 16306428.

It is an arithmetic number, because the mean of its divisors is an integer number (114144912).

Almost surely, 2^423966803 is an apocalyptic number.

423966803 is a deficient number, since it is larger than the sum of its proper divisors (32612845).

423966803 is a wasteful number, since it uses less digits than its factorization.

423966803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32612844.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 423966803 is about 20590.4541717758. The cubic root of 423966803 is about 751.2375438202.

The spelling of 423966803 in words is "four hundred twenty-three million, nine hundred sixty-six thousand, eight hundred three".