268353343 has 2 divisors, whose sum is σ = 268353344. Its totient is φ = 268353342.

The previous prime is 268353251. The next prime is 268353353. The reversal of 268353343 is 343353862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268353343 - 2²⁵ = 234798911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268353353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134176671 + 134176672.

It is an arithmetic number, because the mean of its divisors is an integer number (134176672).

Almost surely, 2^268353343 is an apocalyptic number.

268353343 is a deficient number, since it is larger than the sum of its proper divisors (1).

268353343 is an equidigital number, since it uses as much as digits as its factorization.

268353343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The square root of 268353343 is about 16381.4939184435. The cubic root of 268353343 is about 645.0137953502.

The spelling of 268353343 in words is "two hundred sixty-eight million, three hundred fifty-three thousand, three hundred forty-three".