268181323 has 2 divisors, whose sum is σ = 268181324. Its totient is φ = 268181322.

The previous prime is 268181317. The next prime is 268181339. The reversal of 268181323 is 323181862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268181323 is a prime.

It is not a weakly prime, because it can be changed into another prime (268181393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134090661 + 134090662.

It is an arithmetic number, because the mean of its divisors is an integer number (134090662).

Almost surely, 2^268181323 is an apocalyptic number.

268181323 is a deficient number, since it is larger than the sum of its proper divisors (1).

268181323 is an equidigital number, since it uses as much as digits as its factorization.

268181323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 268181323 is about 16376.2426398732. The cubic root of 268181323 is about 644.8759435308.

The spelling of 268181323 in words is "two hundred sixty-eight million, one hundred eighty-one thousand, three hundred twenty-three".