268371559645723 has 2 divisors, whose sum is σ = 268371559645724. Its totient is φ = 268371559645722.

The previous prime is 268371559645703. The next prime is 268371559645769. The reversal of 268371559645723 is 327546955173862.

268371559645723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268371559645723 - 2²¹ = 268371557548571 is a prime.

It is a super-3 number, since 3×268371559645723³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (268371559645703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134185779822861 + 134185779822862.

It is an arithmetic number, because the mean of its divisors is an integer number (134185779822862).

Almost surely, 2^{268371559645723} is an apocalyptic number.

268371559645723 is a deficient number, since it is larger than the sum of its proper divisors (1).

268371559645723 is an equidigital number, since it uses as much as digits as its factorization.

268371559645723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144000, while the sum is 73.

The spelling of 268371559645723 in words is "two hundred sixty-eight trillion, three hundred seventy-one billion, five hundred fifty-nine million, six hundred forty-five thousand, seven hundred twenty-three".