268118423 has 2 divisors, whose sum is σ = 268118424. Its totient is φ = 268118422.

The previous prime is 268118419. The next prime is 268118437. The reversal of 268118423 is 324811862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268118423 - 2² = 268118419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268118413) 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, 134059211 + 134059212.

It is an arithmetic number, because the mean of its divisors is an integer number (134059212).

Almost surely, 2^268118423 is an apocalyptic number.

268118423 is a deficient number, since it is larger than the sum of its proper divisors (1).

268118423 is an equidigital number, since it uses as much as digits as its factorization.

268118423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 268118423 is about 16374.3220623023. The cubic root of 268118423 is about 644.8255225842.

The spelling of 268118423 in words is "two hundred sixty-eight million, one hundred eighteen thousand, four hundred twenty-three".