202143040387 has 2 divisors, whose sum is σ = 202143040388. Its totient is φ = 202143040386.

The previous prime is 202143040357. The next prime is 202143040397. The reversal of 202143040387 is 783040341202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202143040387 is a prime.

It is not a weakly prime, because it can be changed into another prime (202143040327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071520193 + 101071520194.

It is an arithmetic number, because the mean of its divisors is an integer number (101071520194).

Almost surely, 2^202143040387 is an apocalyptic number.

202143040387 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143040387 is an equidigital number, since it uses as much as digits as its factorization.

202143040387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 202143040387 its reverse (783040341202), we get a palindrome (985183381589).

The spelling of 202143040387 in words is "two hundred two billion, one hundred forty-three million, forty thousand, three hundred eighty-seven".