8423142 has 32 divisors (see below), whose sum is σ = 20735232. Its totient is φ = 2221344.

The previous prime is 8423117. The next prime is 8423153. The reversal of 8423142 is 2413248.

It is a d-powerful number, because it can be written as 8 + 4 + 2¹⁵ + 3⁶ + 1 + 4⁵ + 2²³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7168 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (647976).

Almost surely, 2^8423142 is an apocalyptic number.

8423142 is an abundant number, since it is smaller than the sum of its proper divisors (12312090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8423142 is a wasteful number, since it uses less digits than its factorization.

8423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452.

The product of its digits is 1536, while the sum is 24.

The square root of 8423142 is about 2902.2649775649. The cubic root of 8423142 is about 203.4657783230.

The spelling of 8423142 in words is "eight million, four hundred twenty-three thousand, one hundred forty-two".