1173723325969 has 2 divisors, whose sum is σ = 1173723325970. Its totient is φ = 1173723325968.

The previous prime is 1173723325949. The next prime is 1173723326023. The reversal of 1173723325969 is 9695233273711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151517855744 + 22205470225 = 1073088^2 + 149015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173723325969 - 2²³ = 1173714937361 is a prime.

It is a super-2 number, since 2×1173723325969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1173723325949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586861662984 + 586861662985.

It is an arithmetic number, because the mean of its divisors is an integer number (586861662985).

Almost surely, 2^{1173723325969} is an apocalyptic number.

It is an amenable number.

1173723325969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173723325969 is an equidigital number, since it uses as much as digits as its factorization.

1173723325969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 58.

The spelling of 1173723325969 in words is "one trillion, one hundred seventy-three billion, seven hundred twenty-three million, three hundred twenty-five thousand, nine hundred sixty-nine".