42023141 has 4 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 41911884.

The previous prime is 42023129. The next prime is 42023147. The reversal of 42023141 is 14132024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42023141 - 2⁶ = 42023077 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 (42023147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55061 + ... + 55818.

It is an arithmetic number, because the mean of its divisors is an integer number (10533600).

Almost surely, 2^42023141 is an apocalyptic number.

It is an amenable number.

42023141 is a deficient number, since it is larger than the sum of its proper divisors (111259).

42023141 is a wasteful number, since it uses less digits than its factorization.

42023141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111258.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42023141 is about 6482.5258194627. The cubic root of 42023141 is about 347.6664930314. Note that the first 3 decimals are identical.

Adding to 42023141 its reverse (14132024), we get a palindrome (56155165).

The spelling of 42023141 in words is "forty-two million, twenty-three thousand, one hundred forty-one".