863423 has 8 divisors (see below), whose sum is σ = 960336. Its totient is φ = 769600.

The previous prime is 863393. The next prime is 863479. The reversal of 863423 is 324368.

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 863423 - 2¹⁰ = 862399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 863392 and 863401.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 863423.

It is not an unprimeable number, because it can be changed into a prime (863123) 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 7 ways as a sum of consecutive naturals, for example, 158 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (120042).

2⁸⁶³⁴²³ is an apocalyptic number.

863423 is a deficient number, since it is larger than the sum of its proper divisors (96913).

863423 is a wasteful number, since it uses less digits than its factorization.

863423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its digits is 3456, while the sum is 26.

The square root of 863423 is about 929.2055746712. The cubic root of 863423 is about 95.2228563038. Note that the first 3 decimals are identical.

The spelling of 863423 in words is "eight hundred sixty-three thousand, four hundred twenty-three".