42335443 has 2 divisors, whose sum is σ = 42335444. Its totient is φ = 42335442.

The previous prime is 42335413. The next prime is 42335453. The reversal of 42335443 is 34453324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42335443 - 2¹³ = 42327251 is a prime.

It is not a weakly prime, because it can be changed into another prime (42335413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167721 + 21167722.

It is an arithmetic number, because the mean of its divisors is an integer number (21167722).

Almost surely, 2^42335443 is an apocalyptic number.

42335443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42335443 is an equidigital number, since it uses as much as digits as its factorization.

42335443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 28.

The square root of 42335443 is about 6506.5692188741. The cubic root of 42335443 is about 348.5256155237.

Adding to 42335443 its reverse (34453324), we get a palindrome (76788767).

It can be divided in two parts, 42335 and 443, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42335443 in words is "forty-two million, three hundred thirty-five thousand, four hundred forty-three".