42021140223 has 4 divisors (see below), whose sum is σ = 56028186968. Its totient is φ = 28014093480.

The previous prime is 42021140201. The next prime is 42021140237. The reversal of 42021140223 is 32204112024.

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

It is not a de Polignac number, because 42021140223 - 2⁵ = 42021140191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42021140223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021142223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7003523368 + ... + 7003523373.

It is an arithmetic number, because the mean of its divisors is an integer number (14007046742).

Almost surely, 2^42021140223 is an apocalyptic number.

42021140223 is a deficient number, since it is larger than the sum of its proper divisors (14007046745).

42021140223 is a wasteful number, since it uses less digits than its factorization.

42021140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007046744.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021140223 its reverse (32204112024), we get a palindrome (74225252247).

The spelling of 42021140223 in words is "forty-two billion, twenty-one million, one hundred forty thousand, two hundred twenty-three".