1177722023873 has 2 divisors, whose sum is σ = 1177722023874. Its totient is φ = 1177722023872.

The previous prime is 1177722023839. The next prime is 1177722023923. The reversal of 1177722023873 is 3783202277711.

It is an a-pointer prime, because the next prime (1177722023923) can be obtained adding 1177722023873 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114105582144 + 63616441729 = 1055512^2 + 252223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1177722023873 - 2¹⁶ = 1177721958337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1177722023573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 588861011936 + 588861011937.

It is an arithmetic number, because the mean of its divisors is an integer number (588861011937).

Almost surely, 2^{1177722023873} is an apocalyptic number.

It is an amenable number.

1177722023873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1177722023873 is an equidigital number, since it uses as much as digits as its factorization.

1177722023873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 1177722023873 in words is "one trillion, one hundred seventy-seven billion, seven hundred twenty-two million, twenty-three thousand, eight hundred seventy-three".