42343443 has 6 divisors (see below), whose sum is σ = 61162764. Its totient is φ = 28228956.

The previous prime is 42343439. The next prime is 42343471. The reversal of 42343443 is 34434324.

It is not a de Polignac number, because 42343443 - 2² = 42343439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42344443) 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, 2352405 + ... + 2352422.

It is an arithmetic number, because the mean of its divisors is an integer number (10193794).

Almost surely, 2^42343443 is an apocalyptic number.

42343443 is a deficient number, since it is larger than the sum of its proper divisors (18819321).

42343443 is a wasteful number, since it uses less digits than its factorization.

42343443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704833 (or 4704830 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 42343443 is about 6507.1839531398. The cubic root of 42343443 is about 348.5475674165.

Adding to 42343443 its reverse (34434324), we get a palindrome (76777767).

The spelling of 42343443 in words is "forty-two million, three hundred forty-three thousand, four hundred forty-three".