42856203 has 24 divisors (see below), whose sum is σ = 62427888. Its totient is φ = 26138112.

The previous prime is 42856169. The next prime is 42856207. The reversal of 42856203 is 30265824.

It is not a de Polignac number, because 42856203 - 2¹⁰ = 42855179 is a prime.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (42856207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69151 + ... + 69767.

It is an arithmetic number, because the mean of its divisors is an integer number (2601162).

Almost surely, 2^42856203 is an apocalyptic number.

42856203 is a deficient number, since it is larger than the sum of its proper divisors (19571685).

42856203 is a wasteful number, since it uses less digits than its factorization.

42856203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42856203 is about 6546.4649239112. The cubic root of 42856203 is about 349.9488442241.

The spelling of 42856203 in words is "forty-two million, eight hundred fifty-six thousand, two hundred three".