1208397741823 has 16 divisors (see below), whose sum is σ = 1219820912640. Its totient is φ = 1197006201216.

The previous prime is 1208397741809. The next prime is 1208397741871. The reversal of 1208397741823 is 3281477938021.

It is a cyclic number.

It is not a de Polignac number, because 1208397741823 - 2⁹ = 1208397741311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208397744823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289295911 + ... + 289300087.

It is an arithmetic number, because the mean of its divisors is an integer number (76238807040).

Almost surely, 2^{1208397741823} is an apocalyptic number.

1208397741823 is a deficient number, since it is larger than the sum of its proper divisors (11423170817).

1208397741823 is a wasteful number, since it uses less digits than its factorization.

1208397741823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1208397741823 in words is "one trillion, two hundred eight billion, three hundred ninety-seven million, seven hundred forty-one thousand, eight hundred twenty-three".