268323287 has 2 divisors, whose sum is σ = 268323288. Its totient is φ = 268323286.

The previous prime is 268323281. The next prime is 268323347. The reversal of 268323287 is 782323862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268323287 - 2⁸ = 268323031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268323281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134161643 + 134161644.

It is an arithmetic number, because the mean of its divisors is an integer number (134161644).

Almost surely, 2^268323287 is an apocalyptic number.

268323287 is a deficient number, since it is larger than the sum of its proper divisors (1).

268323287 is an equidigital number, since it uses as much as digits as its factorization.

268323287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 268323287 is about 16380.5765161059. The cubic root of 268323287 is about 644.9897135951.

The spelling of 268323287 in words is "two hundred sixty-eight million, three hundred twenty-three thousand, two hundred eighty-seven".