42351343 has 2 divisors, whose sum is σ = 42351344. Its totient is φ = 42351342.

The previous prime is 42351311. The next prime is 42351359. The reversal of 42351343 is 34315324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42351343 - 2⁵ = 42351311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42351373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175671 + 21175672.

It is an arithmetic number, because the mean of its divisors is an integer number (21175672).

Almost surely, 2^42351343 is an apocalyptic number.

42351343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351343 is an equidigital number, since it uses as much as digits as its factorization.

42351343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 42351343 is about 6507.7909462428. The cubic root of 42351343 is about 348.5692421975.

Adding to 42351343 its reverse (34315324), we get a palindrome (76666667).

The spelling of 42351343 in words is "forty-two million, three hundred fifty-one thousand, three hundred forty-three".