40200203 has 2 divisors, whose sum is σ = 40200204. Its totient is φ = 40200202.

The previous prime is 40200191. The next prime is 40200253. The reversal of 40200203 is 30200204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40200203 - 2⁴ = 40200187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40200253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100101 + 20100102.

It is an arithmetic number, because the mean of its divisors is an integer number (20100102).

Almost surely, 2^40200203 is an apocalyptic number.

40200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40200203 is an equidigital number, since it uses as much as digits as its factorization.

40200203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40200203 is about 6340.3630022263. The cubic root of 40200203 is about 342.5648105814.

Adding to 40200203 its reverse (30200204), we get a palindrome (70400407).

Subtracting from 40200203 its reverse (30200204), we obtain a palindrome (9999999).

The spelling of 40200203 in words is "forty million, two hundred thousand, two hundred three".