268334623 has 2 divisors, whose sum is σ = 268334624. Its totient is φ = 268334622.

The previous prime is 268334603. The next prime is 268334699. The reversal of 268334623 is 326433862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268334623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268334603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134167311 + 134167312.

It is an arithmetic number, because the mean of its divisors is an integer number (134167312).

Almost surely, 2^268334623 is an apocalyptic number.

268334623 is a deficient number, since it is larger than the sum of its proper divisors (1).

268334623 is an equidigital number, since it uses as much as digits as its factorization.

268334623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 37.

The square root of 268334623 is about 16380.9225320188. The cubic root of 268334623 is about 644.9987965444.

The spelling of 268334623 in words is "two hundred sixty-eight million, three hundred thirty-four thousand, six hundred twenty-three".