42000203 has 24 divisors (see below), whose sum is σ = 51915600. Its totient is φ = 33784128.

The previous prime is 42000199. The next prime is 42000247. The reversal of 42000203 is 30200024.

42000203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42000203 - 2² = 42000199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42000503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183293 + ... + 183521.

It is an arithmetic number, because the mean of its divisors is an integer number (2163150).

Almost surely, 2^42000203 is an apocalyptic number.

42000203 is a deficient number, since it is larger than the sum of its proper divisors (9915397).

42000203 is a wasteful number, since it uses less digits than its factorization.

42000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 452 counting only the distinct ones).

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

The square root of 42000203 is about 6480.7563601790. The cubic root of 42000203 is about 347.6032245143.

Adding to 42000203 its reverse (30200024), we get a palindrome (72200227).

The spelling of 42000203 in words is "forty-two million, two hundred three", and thus it is an aban number.