42331443 has 48 divisors (see below), whose sum is σ = 73281024. Its totient is φ = 21483840.

The previous prime is 42331427. The next prime is 42331451. The reversal of 42331443 is 34413324.

It is not a de Polignac number, because 42331443 - 2⁴ = 42331427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42331463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75721 + ... + 76277.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^42331443 is an apocalyptic number.

42331443 is a deficient number, since it is larger than the sum of its proper divisors (30949581).

42331443 is a wasteful number, since it uses less digits than its factorization.

42331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 42331443 is about 6506.2618299604. The cubic root of 42331443 is about 348.5146385403.

Adding to 42331443 its reverse (34413324), we get a palindrome (76744767).

The spelling of 42331443 in words is "forty-two million, three hundred thirty-one thousand, four hundred forty-three".