13111434244023 has 4 divisors (see below), whose sum is σ = 17481912325368. Its totient is φ = 8740956162680.

The previous prime is 13111434244019. The next prime is 13111434244037. The reversal of 13111434244023 is 32044243411131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13111434244023 - 2² = 13111434244019 is a prime.

It is a super-2 number, since 2×13111434244023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111434244063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185239040668 + ... + 2185239040673.

It is an arithmetic number, because the mean of its divisors is an integer number (4370478081342).

Almost surely, 2^{13111434244023} is an apocalyptic number.

13111434244023 is a deficient number, since it is larger than the sum of its proper divisors (4370478081345).

13111434244023 is an equidigital number, since it uses as much as digits as its factorization.

13111434244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370478081344.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 13111434244023 its reverse (32044243411131), we get a palindrome (45155677655154).

The spelling of 13111434244023 in words is "thirteen trillion, one hundred eleven billion, four hundred thirty-four million, two hundred forty-four thousand, twenty-three".