8142423 has 4 divisors (see below), whose sum is σ = 10856568. Its totient is φ = 5428280.

The previous prime is 8142401. The next prime is 8142467. The reversal of 8142423 is 3242418.

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 8142423 - 2⁹ = 8141911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8142393 and 8142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141423) 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, 1357068 + ... + 1357073.

It is an arithmetic number, because the mean of its divisors is an integer number (2714142).

Almost surely, 2^8142423 is an apocalyptic number.

8142423 is a deficient number, since it is larger than the sum of its proper divisors (2714145).

8142423 is a wasteful number, since it uses less digits than its factorization.

8142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714144.

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

The square root of 8142423 is about 2853.4931224729. The cubic root of 8142423 is about 201.1798840140.

The spelling of 8142423 in words is "eight million, one hundred forty-two thousand, four hundred twenty-three".