11916974723 has 2 divisors, whose sum is σ = 11916974724. Its totient is φ = 11916974722.

The previous prime is 11916974711. The next prime is 11916974753. The reversal of 11916974723 is 32747961911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11916974723 - 2¹⁰ = 11916973699 is a prime.

It is not a weakly prime, because it can be changed into another prime (11916974753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958487361 + 5958487362.

It is an arithmetic number, because the mean of its divisors is an integer number (5958487362).

Almost surely, 2^11916974723 is an apocalyptic number.

11916974723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11916974723 is an equidigital number, since it uses as much as digits as its factorization.

11916974723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The spelling of 11916974723 in words is "eleven billion, nine hundred sixteen million, nine hundred seventy-four thousand, seven hundred twenty-three".