42857343 has 10 divisors (see below), whose sum is σ = 64021584. Its totient is φ = 28571508.

The previous prime is 42857333. The next prime is 42857393. The reversal of 42857343 is 34375824.

It is a happy number.

42857343 is a `hidden beast` number, since 42 + 8 + 573 + 43 = 666.

It is not a de Polignac number, because 42857343 - 2¹³ = 42849151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42857298 and 42857307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857333) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 264471 + ... + 264632.

Almost surely, 2^42857343 is an apocalyptic number.

42857343 is a deficient number, since it is larger than the sum of its proper divisors (21164241).

42857343 is an equidigital number, since it uses as much as digits as its factorization.

42857343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529115 (or 529106 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42857343 is about 6546.5519932251. The cubic root of 42857343 is about 349.9519471444.

It can be divided in two parts, 4285 and 7343, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 42857343 in words is "forty-two million, eight hundred fifty-seven thousand, three hundred forty-three".