42323312 has 40 divisors (see below), whose sum is σ = 87422976. Its totient is φ = 19802816.

The previous prime is 42323291. The next prime is 42323321. The reversal of 42323312 is 21332324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16073 + ... + 18519.

Almost surely, 2^42323312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43711488).

42323312 is an abundant number, since it is smaller than the sum of its proper divisors (45099664).

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

42323312 is a wasteful number, since it uses less digits than its factorization.

42323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2519 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 42323312 is about 6505.6369403772. The cubic root of 42323312 is about 348.4923229455.

Adding to 42323312 its reverse (21332324), we get a palindrome (63655636).

The spelling of 42323312 in words is "forty-two million, three hundred twenty-three thousand, three hundred twelve".