13122523553 has 2 divisors, whose sum is σ = 13122523554. Its totient is φ = 13122523552.

The previous prime is 13122523537. The next prime is 13122523559. The reversal of 13122523553 is 35532522131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12298144609 + 824378944 = 110897^2 + 28712^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122523553 - 2⁴ = 13122523537 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122523559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561261776 + 6561261777.

It is an arithmetic number, because the mean of its divisors is an integer number (6561261777).

Almost surely, 2^13122523553 is an apocalyptic number.

It is an amenable number.

13122523553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122523553 is an equidigital number, since it uses as much as digits as its factorization.

13122523553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The spelling of 13122523553 in words is "thirteen billion, one hundred twenty-two million, five hundred twenty-three thousand, five hundred fifty-three".