42343471 has 2 divisors, whose sum is σ = 42343472. Its totient is φ = 42343470.

The previous prime is 42343439. The next prime is 42343487. The reversal of 42343471 is 17434324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42343471 - 2⁵ = 42343439 is a prime.

It is a super-3 number, since 3×42343471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42343421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171735 + 21171736.

It is an arithmetic number, because the mean of its divisors is an integer number (21171736).

Almost surely, 2^42343471 is an apocalyptic number.

42343471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343471 is an equidigital number, since it uses as much as digits as its factorization.

42343471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 42343471 is about 6507.1861046077. The cubic root of 42343471 is about 348.5476442433.

Adding to 42343471 its reverse (17434324), we get a palindrome (59777795).

The spelling of 42343471 in words is "forty-two million, three hundred forty-three thousand, four hundred seventy-one".