42203 has 4 divisors (see below), whose sum is σ = 48240. Its totient is φ = 36168.

The previous prime is 42197. The next prime is 42209. The reversal of 42203 is 30224.

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

It is an interprime number because it is at equal distance from previous prime (42197) and next prime (42209).

It is a cyclic number.

It is not a de Polignac number, because 42203 - 2^{4} = 42187 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (42209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (12060).

2^{42203} is an apocalyptic number.

42203 is a deficient number, since it is larger than the sum of its proper divisors (6037).

42203 is an equidigital number, since it uses as much as digits as its factorization.

42203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 42203 is about 205.4336875977. The cubic root of 42203 is about 34.8161791154.

Adding to 42203 its reverse (30224), we get a palindrome (72427).

The spelling of 42203 in words is "forty-two thousand, two hundred three", and thus it is an iban number.

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