13123421015311 has 8 divisors (see below), whose sum is σ = 13129950873600. Its totient is φ = 13116891720480.

The previous prime is 13123421015281. The next prime is 13123421015317. The reversal of 13123421015311 is 11351012432131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13123421015311 - 2⁷ = 13123421015183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123421015311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123421015317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51041385 + ... + 51297853.

It is an arithmetic number, because the mean of its divisors is an integer number (1641243859200).

Almost surely, 2^{13123421015311} is an apocalyptic number.

13123421015311 is a deficient number, since it is larger than the sum of its proper divisors (6529858289).

13123421015311 is a wasteful number, since it uses less digits than its factorization.

13123421015311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281729.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13123421015311 its reverse (11351012432131), we get a palindrome (24474433447442).

The spelling of 13123421015311 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twenty-one million, fifteen thousand, three hundred eleven".