42023043 has 10 divisors (see below), whose sum is σ = 62775284. Its totient is φ = 28015308.

The previous prime is 42023039. The next prime is 42023057. The reversal of 42023043 is 34032024.

It is not a de Polignac number, because 42023043 - 2² = 42023039 is a prime.

It is a super-2 number, since 2×42023043² = 3531872285959698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42023743) 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, 259321 + ... + 259482.

Almost surely, 2^42023043 is an apocalyptic number.

42023043 is a deficient number, since it is larger than the sum of its proper divisors (20752241).

42023043 is an equidigital number, since it uses as much as digits as its factorization.

42023043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518815 (or 518806 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42023043 is about 6482.5182606762. The cubic root of 42023043 is about 347.6662227728. Note that the first 3 decimals are identical.

Adding to 42023043 its reverse (34032024), we get a palindrome (76055067).

The spelling of 42023043 in words is "forty-two million, twenty-three thousand, forty-three".