42443233 has 16 divisors (see below), whose sum is σ = 49329280. Its totient is φ = 35769600.

The previous prime is 42443197. The next prime is 42443239. The reversal of 42443233 is 33234424.

It is a cyclic number.

It is not a de Polignac number, because 42443233 - 2²⁵ = 8888801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42443198 and 42443207.

It is not an unprimeable number, because it can be changed into a prime (42443239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175993 + ... + 176233.

It is an arithmetic number, because the mean of its divisors is an integer number (3083080).

Almost surely, 2^42443233 is an apocalyptic number.

It is an amenable number.

42443233 is a deficient number, since it is larger than the sum of its proper divisors (6886047).

42443233 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (42443232) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (568).

42443233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its digits is 6912, while the sum is 25.

The square root of 42443233 is about 6514.8471202324. The cubic root of 42443233 is about 348.8211577844.

Adding to 42443233 its reverse (33234424), we get a palindrome (75677657).

The spelling of 42443233 in words is "forty-two million, four hundred forty-three thousand, two hundred thirty-three".