84942423 has 12 divisors (see below), whose sum is σ = 122784480. Its totient is φ = 56586816.

The previous prime is 84942419. The next prime is 84942433. The reversal of 84942423 is 32424948.

It is not a de Polignac number, because 84942423 - 2² = 84942419 is a prime.

It is a super-2 number, since 2×84942423² = 14430430450221858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84942413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14338 + ... + 19376.

It is an arithmetic number, because the mean of its divisors is an integer number (10232040).

Almost surely, 2^84942423 is an apocalyptic number.

84942423 is a deficient number, since it is larger than the sum of its proper divisors (37842057).

84942423 is a wasteful number, since it uses less digits than its factorization.

84942423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918 (or 6915 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 84942423 is about 9216.4213770856. The cubic root of 84942423 is about 439.5836678259.

The spelling of 84942423 in words is "eighty-four million, nine hundred forty-two thousand, four hundred twenty-three".