42823338 has 16 divisors (see below), whose sum is σ = 88409856. Its totient is φ = 13813920.

The previous prime is 42823337. The next prime is 42823349. The reversal of 42823338 is 83332824.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42823299 and 42823308.

It is not an unprimeable number, because it can be changed into a prime (42823331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114931 + ... + 115302.

It is an arithmetic number, because the mean of its divisors is an integer number (5525616).

Almost surely, 2^42823338 is an apocalyptic number.

42823338 is an abundant number, since it is smaller than the sum of its proper divisors (45586518).

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

42823338 is a wasteful number, since it uses less digits than its factorization.

42823338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230269.

The product of its digits is 27648, while the sum is 33.

The square root of 42823338 is about 6543.9543091314. The cubic root of 42823338 is about 349.8593666290.

The spelling of 42823338 in words is "forty-two million, eight hundred twenty-three thousand, three hundred thirty-eight".