13111641723 has 4 divisors (see below), whose sum is σ = 17482188968. Its totient is φ = 8741094480.

The previous prime is 13111641709. The next prime is 13111641769. The reversal of 13111641723 is 32714611131.

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

It is not a de Polignac number, because 13111641723 - 2⁶ = 13111641659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111642723) 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, 2185273618 + ... + 2185273623.

It is an arithmetic number, because the mean of its divisors is an integer number (4370547242).

Almost surely, 2^13111641723 is an apocalyptic number.

13111641723 is a deficient number, since it is larger than the sum of its proper divisors (4370547245).

13111641723 is an equidigital number, since it uses as much as digits as its factorization.

13111641723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370547244.

The product of its digits is 3024, while the sum is 30.

The spelling of 13111641723 in words is "thirteen billion, one hundred eleven million, six hundred forty-one thousand, seven hundred twenty-three".