42143343 has 8 divisors (see below), whose sum is σ = 61299456. Its totient is φ = 25541400.

The previous prime is 42143327. The next prime is 42143347. The reversal of 42143343 is 34334124.

42143343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42143343 - 2⁴ = 42143327 is a prime.

It is a super-2 number, since 2×42143343² = 3552122718431298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638503 + ... + 638568.

It is an arithmetic number, because the mean of its divisors is an integer number (7662432).

Almost surely, 2^42143343 is an apocalyptic number.

42143343 is a deficient number, since it is larger than the sum of its proper divisors (19156113).

42143343 is a wasteful number, since it uses less digits than its factorization.

42143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277085.

The product of its digits is 3456, while the sum is 24.

The square root of 42143343 is about 6491.7904309982. The cubic root of 42143343 is about 347.9976631499.

Adding to 42143343 its reverse (34334124), we get a palindrome (76477467).

It can be divided in two parts, 42143 and 343, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42143343 in words is "forty-two million, one hundred forty-three thousand, three hundred forty-three".