7867423 has 4 divisors (see below), whose sum is σ = 7883568. Its totient is φ = 7851280.

The previous prime is 7867411. The next prime is 7867441. The reversal of 7867423 is 3247687.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7867423 is a prime.

It is a d-powerful number, because it can be written as 7² + 8⁷ + 6⁴ + 7⁸ + 4⁶ + 2 + 3³ .

It is a Duffinian number.

7867423 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7867493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7318 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (1970892).

Almost surely, 2^7867423 is an apocalyptic number.

7867423 is a deficient number, since it is larger than the sum of its proper divisors (16145).

7867423 is a wasteful number, since it uses less digits than its factorization.

7867423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144.

The product of its digits is 56448, while the sum is 37.

The square root of 7867423 is about 2804.8926895694. The cubic root of 7867423 is about 198.8890318422.

The spelling of 7867423 in words is "seven million, eight hundred sixty-seven thousand, four hundred twenty-three".