1203791689823 has 2 divisors, whose sum is σ = 1203791689824. Its totient is φ = 1203791689822.

The previous prime is 1203791689799. The next prime is 1203791689831. The reversal of 1203791689823 is 3289861973021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203791689823 - 2²⁴ = 1203774912607 is a prime.

It is a super-2 number, since 2×1203791689823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203791689883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601895844911 + 601895844912.

It is an arithmetic number, because the mean of its divisors is an integer number (601895844912).

Almost surely, 2^{1203791689823} is an apocalyptic number.

1203791689823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203791689823 is an equidigital number, since it uses as much as digits as its factorization.

1203791689823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 1203791689823 in words is "one trillion, two hundred three billion, seven hundred ninety-one million, six hundred eighty-nine thousand, eight hundred twenty-three".