13100344400123 has 2 divisors, whose sum is σ = 13100344400124. Its totient is φ = 13100344400122.

The previous prime is 13100344399993. The next prime is 13100344400137. The reversal of 13100344400123 is 32100444300131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32100444300131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13100344400123 - 2¹⁴ = 13100344383739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13100344400092 and 13100344400101.

It is not a weakly prime, because it can be changed into another prime (13100344430123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550172200061 + 6550172200062.

It is an arithmetic number, because the mean of its divisors is an integer number (6550172200062).

Almost surely, 2^{13100344400123} is an apocalyptic number.

13100344400123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100344400123 is an equidigital number, since it uses as much as digits as its factorization.

13100344400123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13100344400123 its reverse (32100444300131), we get a palindrome (45200788700254).

The spelling of 13100344400123 in words is "thirteen trillion, one hundred billion, three hundred forty-four million, four hundred thousand, one hundred twenty-three".