202102343 has 2 divisors, whose sum is σ = 202102344. Its totient is φ = 202102342.

The previous prime is 202102337. The next prime is 202102393. The reversal of 202102343 is 343201202.

202102343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051171 + 101051172.

It is an arithmetic number, because the mean of its divisors is an integer number (101051172).

Almost surely, 2^202102343 is an apocalyptic number.

202102343 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102343 is an equidigital number, since it uses as much as digits as its factorization.

202102343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 202102343 is about 14216.2703618073. The cubic root of 202102343 is about 586.8455055167.

Adding to 202102343 its reverse (343201202), we get a palindrome (545303545).

The spelling of 202102343 in words is "two hundred two million, one hundred two thousand, three hundred forty-three".