11968204723 has 4 divisors (see below), whose sum is σ = 11971599640. Its totient is φ = 11964809808.

The previous prime is 11968204613. The next prime is 11968204739. The reversal of 11968204723 is 32740286911.

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 11968204723 - 2¹³ = 11968196531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11968204723.

It is not an unprimeable number, because it can be changed into a prime (11968201723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692165 + ... + 1699222.

It is an arithmetic number, because the mean of its divisors is an integer number (2992899910).

Almost surely, 2^11968204723 is an apocalyptic number.

11968204723 is a deficient number, since it is larger than the sum of its proper divisors (3394917).

11968204723 is an equidigital number, since it uses as much as digits as its factorization.

11968204723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394916.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 11968204723 in words is "eleven billion, nine hundred sixty-eight million, two hundred four thousand, seven hundred twenty-three".