42671223 has 12 divisors (see below), whose sum is σ = 70441488. Its totient is φ = 24383520.

The previous prime is 42671177. The next prime is 42671227. The reversal of 42671223 is 32217624.

It is not a de Polignac number, because 42671223 - 2⁸ = 42670967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42671227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338598 + ... + 338723.

It is an arithmetic number, because the mean of its divisors is an integer number (5870124).

Almost surely, 2^42671223 is an apocalyptic number.

42671223 is a deficient number, since it is larger than the sum of its proper divisors (27770265).

42671223 is a wasteful number, since it uses less digits than its factorization.

42671223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677334 (or 677331 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 42671223 is about 6532.3214097287. The cubic root of 42671223 is about 349.4446239636. Note that the first 3 decimals are identical.

Adding to 42671223 its reverse (32217624), we get a palindrome (74888847).

The spelling of 42671223 in words is "forty-two million, six hundred seventy-one thousand, two hundred twenty-three".