42203563 has 4 divisors (see below), whose sum is σ = 42781768. Its totient is φ = 41625360.

The previous prime is 42203549. The next prime is 42203599. The reversal of 42203563 is 36530224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42203563 - 2⁵ = 42203531 is a prime.

It is a super-2 number, since 2×42203563² = 3562281459789938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42203543) 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, 288993 + ... + 289138.

It is an arithmetic number, because the mean of its divisors is an integer number (10695442).

Almost surely, 2^42203563 is an apocalyptic number.

42203563 is a deficient number, since it is larger than the sum of its proper divisors (578205).

42203563 is an equidigital number, since it uses as much as digits as its factorization.

42203563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578204.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42203563 is about 6496.4269410192. The cubic root of 42203563 is about 348.1633393392.

Adding to 42203563 its reverse (36530224), we get a palindrome (78733787).

The spelling of 42203563 in words is "forty-two million, two hundred three thousand, five hundred sixty-three".