13013123273 has 2 divisors, whose sum is σ = 13013123274. Its totient is φ = 13013123272.

The previous prime is 13013123269. The next prime is 13013123303. The reversal of 13013123273 is 37232131031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9882944569 + 3130178704 = 99413^2 + 55948^2 .

It is a cyclic number.

It is not a de Polignac number, because 13013123273 - 2² = 13013123269 is a prime.

It is not a weakly prime, because it can be changed into another prime (13013123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506561636 + 6506561637.

It is an arithmetic number, because the mean of its divisors is an integer number (6506561637).

Almost surely, 2^13013123273 is an apocalyptic number.

It is an amenable number.

13013123273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013123273 is an equidigital number, since it uses as much as digits as its factorization.

13013123273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The spelling of 13013123273 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, two hundred seventy-three".