42233443 has 6 divisors (see below), whose sum is σ = 49128756. Its totient is φ = 36200052.

The previous prime is 42233419. The next prime is 42233449. The reversal of 42233443 is 34433224.

It is a de Polignac number, because none of the positive numbers 2^k-42233443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42233449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430905 + ... + 431002.

It is an arithmetic number, because the mean of its divisors is an integer number (8188126).

Almost surely, 2^42233443 is an apocalyptic number.

42233443 is a deficient number, since it is larger than the sum of its proper divisors (6895313).

42233443 is an equidigital number, since it uses as much as digits as its factorization.

42233443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861921 (or 861914 counting only the distinct ones).

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

The square root of 42233443 is about 6498.7262598143. The cubic root of 42233443 is about 348.2454861666.

Adding to 42233443 its reverse (34433224), we get a palindrome (76666667).

The spelling of 42233443 in words is "forty-two million, two hundred thirty-three thousand, four hundred forty-three".