8047423 has 4 divisors (see below), whose sum is σ = 8183880. Its totient is φ = 7910968.

The previous prime is 8047399. The next prime is 8047451. The reversal of 8047423 is 3247408.

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 8047423 - 2⁹ = 8046911 is a prime.

It is a super-2 number, since 2×8047423² = 129522033881858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8047391 and 8047400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8047453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68140 + ... + 68257.

It is an arithmetic number, because the mean of its divisors is an integer number (2045970).

Almost surely, 2^8047423 is an apocalyptic number.

8047423 is a deficient number, since it is larger than the sum of its proper divisors (136457).

8047423 is a wasteful number, since it uses less digits than its factorization.

8047423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136456.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8047423 is about 2836.7980188938. The cubic root of 8047423 is about 200.3944133459.

The spelling of 8047423 in words is "eight million, forty-seven thousand, four hundred twenty-three".