11723432711 has 8 divisors (see below), whose sum is σ = 11794701360. Its totient is φ = 11652204672.

The previous prime is 11723432689. The next prime is 11723432731.

11723432711 is nontrivially palindromic in base 10.

11723432711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11723432711 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 (11723432731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731300 + ... + 747158.

It is an arithmetic number, because the mean of its divisors is an integer number (1474337670).

Almost surely, 2^11723432711 is an apocalyptic number.

11723432711 is a deficient number, since it is larger than the sum of its proper divisors (71268649).

11723432711 is a wasteful number, since it uses less digits than its factorization.

11723432711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20305.

The product of its digits is 7056, while the sum is 32.

The spelling of 11723432711 in words is "eleven billion, seven hundred twenty-three million, four hundred thirty-two thousand, seven hundred eleven".