8135423 has 4 divisors (see below), whose sum is σ = 8397888. Its totient is φ = 7872960.

The previous prime is 8135417. The next prime is 8135429. The reversal of 8135423 is 3245318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245318 = 2 ⋅1622659.

It is an interprime number because it is at equal distance from previous prime (8135417) and next prime (8135429).

It is a cyclic number.

It is not a de Polignac number, because 8135423 - 2⁶ = 8135359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8135392 and 8135401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135429) 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, 131186 + ... + 131247.

It is an arithmetic number, because the mean of its divisors is an integer number (2099472).

Almost surely, 2^8135423 is an apocalyptic number.

8135423 is a deficient number, since it is larger than the sum of its proper divisors (262465).

8135423 is a wasteful number, since it uses less digits than its factorization.

8135423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262464.

The product of its digits is 2880, while the sum is 26.

The square root of 8135423 is about 2852.2662919160. The cubic root of 8135423 is about 201.1222163747.

It can be divided in two parts, 8135 and 423, that added together give a palindrome (8558).

The spelling of 8135423 in words is "eight million, one hundred thirty-five thousand, four hundred twenty-three".