867423 has 4 divisors (see below), whose sum is σ = 1156568. Its totient is φ = 578280.

The previous prime is 867413. The next prime is 867431. The reversal of 867423 is 324768.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 867423 - 2¹⁰ = 866399 is a prime.

It is a D-number.

It is a Duffinian number.

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 867423.

It is not an unprimeable number, because it can be changed into a prime (867413) 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, 144568 + ... + 144573.

It is an arithmetic number, because the mean of its divisors is an integer number (289142).

2⁸⁶⁷⁴²³ is an apocalyptic number.

867423 is a deficient number, since it is larger than the sum of its proper divisors (289145).

867423 is a wasteful number, since it uses less digits than its factorization.

867423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289144.

The product of its digits is 8064, while the sum is 30.

The square root of 867423 is about 931.3554638268. The cubic root of 867423 is about 95.3696768642.

The spelling of 867423 in words is "eight hundred sixty-seven thousand, four hundred twenty-three".