42023038 has 4 divisors (see below), whose sum is σ = 63034560. Its totient is φ = 21011518.

The previous prime is 42022999. The next prime is 42023039. The reversal of 42023038 is 83032024.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505758 + ... + 10505761.

It is an arithmetic number, because the mean of its divisors is an integer number (15758640).

Almost surely, 2^42023038 is an apocalyptic number.

42023038 is a deficient number, since it is larger than the sum of its proper divisors (21011522).

42023038 is a wasteful number, since it uses less digits than its factorization.

42023038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011521.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42023038 is about 6482.5178750236. The cubic root of 42023038 is about 347.6662089841. Note that the first 3 decimals are identical.

The spelling of 42023038 in words is "forty-two million, twenty-three thousand, thirty-eight".