13123142302013 has 4 divisors (see below), whose sum is σ = 13125783309660. Its totient is φ = 13120501294368.

The previous prime is 13123142302003. The next prime is 13123142302019. The reversal of 13123142302013 is 31020324132131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3410806904569 + 9712335397444 = 1846837^2 + 3116462^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123142302013 - 2²⁴ = 13123125524797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123142302019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320496370 + ... + 1320506307.

It is an arithmetic number, because the mean of its divisors is an integer number (3281445827415).

Almost surely, 2^{13123142302013} is an apocalyptic number.

It is an amenable number.

13123142302013 is a deficient number, since it is larger than the sum of its proper divisors (2641007647).

13123142302013 is an equidigital number, since it uses as much as digits as its factorization.

13123142302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641007646.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13123142302013 its reverse (31020324132131), we get a palindrome (44143466434144).

The spelling of 13123142302013 in words is "thirteen trillion, one hundred twenty-three billion, one hundred forty-two million, three hundred two thousand, thirteen".