42049223 has 8 divisors (see below), whose sum is σ = 44497920. Its totient is φ = 39624120.

The previous prime is 42049171. The next prime is 42049243. The reversal of 42049223 is 32294024.

42049223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42049223 - 2¹⁰ = 42048199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42049192 and 42049201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42049243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (5562240).

Almost surely, 2^42049223 is an apocalyptic number.

42049223 is a deficient number, since it is larger than the sum of its proper divisors (2448697).

42049223 is a wasteful number, since it uses less digits than its factorization.

42049223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42049223 is about 6484.5372232720. The cubic root of 42049223 is about 347.7384054895.

The spelling of 42049223 in words is "forty-two million, forty-nine thousand, two hundred twenty-three".