268203443 has 2 divisors, whose sum is σ = 268203444. Its totient is φ = 268203442.

The previous prime is 268203433. The next prime is 268203473. The reversal of 268203443 is 344302862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268203443 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268203433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134101721 + 134101722.

It is an arithmetic number, because the mean of its divisors is an integer number (134101722).

Almost surely, 2^268203443 is an apocalyptic number.

268203443 is a deficient number, since it is larger than the sum of its proper divisors (1).

268203443 is an equidigital number, since it uses as much as digits as its factorization.

268203443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 268203443 is about 16376.9179945434. The cubic root of 268203443 is about 644.8936731569.

The spelling of 268203443 in words is "two hundred sixty-eight million, two hundred three thousand, four hundred forty-three".