42344143 has 4 divisors (see below), whose sum is σ = 42357168. Its totient is φ = 42331120.

The previous prime is 42344131. The next prime is 42344189. The reversal of 42344143 is 34144324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42344143 - 2⁵ = 42344111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (10589292).

Almost surely, 2^42344143 is an apocalyptic number.

42344143 is a deficient number, since it is larger than the sum of its proper divisors (13025).

42344143 is an equidigital number, since it uses as much as digits as its factorization.

42344143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024.

The product of its digits is 4608, while the sum is 25.

The square root of 42344143 is about 6507.2377396250. The cubic root of 42344143 is about 348.5494880756.

Adding to 42344143 its reverse (34144324), we get a palindrome (76488467).

The spelling of 42344143 in words is "forty-two million, three hundred forty-four thousand, one hundred forty-three".