42320112 has 20 divisors (see below), whose sum is σ = 109327080. Its totient is φ = 14106688.

The previous prime is 42320099. The next prime is 42320141. The reversal of 42320112 is 21102324.

It is a junction number, because it is equal to n+sod(n) for n = 42320091 and 42320100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440787 + ... + 440882.

It is an arithmetic number, because the mean of its divisors is an integer number (5466354).

Almost surely, 2^42320112 is an apocalyptic number.

It is an amenable number.

42320112 is an abundant number, since it is smaller than the sum of its proper divisors (67006968).

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

42320112 is a wasteful number, since it uses less digits than its factorization.

42320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881680 (or 881674 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42320112 is about 6505.3909951670. The cubic root of 42320112 is about 348.4835397361.

Adding to 42320112 its reverse (21102324), we get a palindrome (63422436).

The spelling of 42320112 in words is "forty-two million, three hundred twenty thousand, one hundred twelve".