11685892723 has 2 divisors, whose sum is σ = 11685892724. Its totient is φ = 11685892722.

The previous prime is 11685892637. The next prime is 11685892741. The reversal of 11685892723 is 32729858611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32729858611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11685892723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11685892763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842946361 + 5842946362.

It is an arithmetic number, because the mean of its divisors is an integer number (5842946362).

Almost surely, 2^11685892723 is an apocalyptic number.

11685892723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11685892723 is an equidigital number, since it uses as much as digits as its factorization.

11685892723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 11685892723 in words is "eleven billion, six hundred eighty-five million, eight hundred ninety-two thousand, seven hundred twenty-three".