42854823 has 24 divisors (see below), whose sum is σ = 71086080. Its totient is φ = 24604560.

The previous prime is 42854821. The next prime is 42854839. The reversal of 42854823 is 32845824.

It is not a de Polignac number, because 42854823 - 2¹ = 42854821 is a prime.

It is a super-2 number, since 2×42854823² = 3673071708722658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42854821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9511 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (2961920).

Almost surely, 2^42854823 is an apocalyptic number.

42854823 is a deficient number, since it is larger than the sum of its proper divisors (28231257).

42854823 is a wasteful number, since it uses less digits than its factorization.

42854823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819 (or 22816 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 42854823 is about 6546.3595226660. The cubic root of 42854823 is about 349.9450879839.

The spelling of 42854823 in words is "forty-two million, eight hundred fifty-four thousand, eight hundred twenty-three".