423800863 has 4 divisors (see below), whose sum is σ = 423843840. Its totient is φ = 423757888.

The previous prime is 423800801. The next prime is 423800893. The reversal of 423800863 is 368008324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423800863 - 2¹⁷ = 423669791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423800893) 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, 1506 + ... + 29152.

It is an arithmetic number, because the mean of its divisors is an integer number (105960960).

Almost surely, 2^423800863 is an apocalyptic number.

423800863 is a deficient number, since it is larger than the sum of its proper divisors (42977).

423800863 is a wasteful number, since it uses less digits than its factorization.

423800863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42976.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 423800863 is about 20586.4242402609. The cubic root of 423800863 is about 751.1395199304.

The spelling of 423800863 in words is "four hundred twenty-three million, eight hundred thousand, eight hundred sixty-three".