8423542 has 8 divisors (see below), whose sum is σ = 12695832. Its totient is φ = 4191600.

The previous prime is 8423507. The next prime is 8423549. The reversal of 8423542 is 2453248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 8⁵ + 4² + 2¹¹ + 3⁴ + 5 + 4² + 2²³ .

It is a self number, because there is not a number n which added to its sum of digits gives 8423542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423549) 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, 9559 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (1586979).

Almost surely, 2^8423542 is an apocalyptic number.

8423542 is a deficient number, since it is larger than the sum of its proper divisors (4272290).

8423542 is a wasteful number, since it uses less digits than its factorization.

8423542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174.

The product of its digits is 7680, while the sum is 28.

The square root of 8423542 is about 2902.3338884422. Note that the first 3 decimals coincide. The cubic root of 8423542 is about 203.4689990144.

The spelling of 8423542 in words is "eight million, four hundred twenty-three thousand, five hundred forty-two".