140243203 has 2 divisors, whose sum is σ = 140243204. Its totient is φ = 140243202.

The previous prime is 140243189. The next prime is 140243219. The reversal of 140243203 is 302342041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140243203 - 2⁵ = 140243171 is a prime.

It is not a weakly prime, because it can be changed into another prime (140243303) 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 as a sum of consecutive naturals, namely, 70121601 + 70121602.

It is an arithmetic number, because the mean of its divisors is an integer number (70121602).

Almost surely, 2^140243203 is an apocalyptic number.

140243203 is a deficient number, since it is larger than the sum of its proper divisors (1).

140243203 is an equidigital number, since it uses as much as digits as its factorization.

140243203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140243203 is about 11842.4323092851. The cubic root of 140243203 is about 519.5499100899.

Adding to 140243203 its reverse (302342041), we get a palindrome (442585244).

The spelling of 140243203 in words is "one hundred forty million, two hundred forty-three thousand, two hundred three".