123576317273 has 2 divisors, whose sum is σ = 123576317274. Its totient is φ = 123576317272.

The previous prime is 123576317239. The next prime is 123576317297. The reversal of 123576317273 is 372713675321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104155943824 + 19420373449 = 322732^2 + 139357^2 .

It is a cyclic number.

It is not a de Polignac number, because 123576317273 - 2¹⁰ = 123576316249 is a prime.

It is a super-2 number, since 2×123576317273² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123576317213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61788158636 + 61788158637.

It is an arithmetic number, because the mean of its divisors is an integer number (61788158637).

Almost surely, 2^123576317273 is an apocalyptic number.

It is an amenable number.

123576317273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123576317273 is an equidigital number, since it uses as much as digits as its factorization.

123576317273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 47.

The spelling of 123576317273 in words is "one hundred twenty-three billion, five hundred seventy-six million, three hundred seventeen thousand, two hundred seventy-three".