84254423 has 4 divisors (see below), whose sum is σ = 91913928. Its totient is φ = 76594920.

The previous prime is 84254413. The next prime is 84254441. The reversal of 84254423 is 32445248.

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 84254423 - 2¹⁰ = 84253399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84254423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84254413) 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, 3829736 + ... + 3829757.

It is an arithmetic number, because the mean of its divisors is an integer number (22978482).

Almost surely, 2^84254423 is an apocalyptic number.

84254423 is a deficient number, since it is larger than the sum of its proper divisors (7659505).

84254423 is a wasteful number, since it uses less digits than its factorization.

84254423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659504.

The product of its digits is 30720, while the sum is 32.

The square root of 84254423 is about 9179.0208083433. The cubic root of 84254423 is about 438.3936311806.

The spelling of 84254423 in words is "eighty-four million, two hundred fifty-four thousand, four hundred twenty-three".