1268858909323 has 2 divisors, whose sum is σ = 1268858909324. Its totient is φ = 1268858909322.

The previous prime is 1268858909303. The next prime is 1268858909377. The reversal of 1268858909323 is 3239098588621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1268858909323 - 2⁵ = 1268858909291 is a prime.

It is a super-2 number, since 2×1268858909323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1268858909303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634429454661 + 634429454662.

It is an arithmetic number, because the mean of its divisors is an integer number (634429454662).

Almost surely, 2^{1268858909323} is an apocalyptic number.

1268858909323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268858909323 is an equidigital number, since it uses as much as digits as its factorization.

1268858909323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 1268858909323 in words is "one trillion, two hundred sixty-eight billion, eight hundred fifty-eight million, nine hundred nine thousand, three hundred twenty-three".