42432043 has 2 divisors, whose sum is σ = 42432044. Its totient is φ = 42432042.

The previous prime is 42432041. The next prime is 42432059. The reversal of 42432043 is 34023424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42432043 - 2¹ = 42432041 is a prime.

Together with 42432041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42432041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216021 + 21216022.

It is an arithmetic number, because the mean of its divisors is an integer number (21216022).

Almost surely, 2^42432043 is an apocalyptic number.

42432043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42432043 is an equidigital number, since it uses as much as digits as its factorization.

42432043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42432043 is about 6513.9882560533. The cubic root of 42432043 is about 348.7904999578.

Adding to 42432043 its reverse (34023424), we get a palindrome (76455467).

The spelling of 42432043 in words is "forty-two million, four hundred thirty-two thousand, forty-three".