42656223 has 8 divisors (see below), whose sum is σ = 56977200. Its totient is φ = 28386368.

The previous prime is 42656219. The next prime is 42656249. The reversal of 42656223 is 32265624.

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

It is a cyclic number.

It is not a de Polignac number, because 42656223 - 2² = 42656219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (7122150).

Almost surely, 2^42656223 is an apocalyptic number.

42656223 is a deficient number, since it is larger than the sum of its proper divisors (14320977).

42656223 is a wasteful number, since it uses less digits than its factorization.

42656223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25561.

The product of its digits is 17280, while the sum is 30.

The square root of 42656223 is about 6531.1731717969. The cubic root of 42656223 is about 349.4036729956.

The spelling of 42656223 in words is "forty-two million, six hundred fifty-six thousand, two hundred twenty-three".