42443003 has 4 divisors (see below), whose sum is σ = 43024488. Its totient is φ = 41861520.

The previous prime is 42442997. The next prime is 42443039. The reversal of 42443003 is 30034424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42443003 - 2¹⁴ = 42426619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42443503) 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, 290633 + ... + 290778.

It is an arithmetic number, because the mean of its divisors is an integer number (10756122).

Almost surely, 2^42443003 is an apocalyptic number.

42443003 is a deficient number, since it is larger than the sum of its proper divisors (581485).

42443003 is an equidigital number, since it uses as much as digits as its factorization.

42443003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581484.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42443003 is about 6514.8294682209. The cubic root of 42443003 is about 348.8205276957.

Adding to 42443003 its reverse (30034424), we get a palindrome (72477427).

The spelling of 42443003 in words is "forty-two million, four hundred forty-three thousand, three".