11723977 has 2 divisors, whose sum is σ = 11723978. Its totient is φ = 11723976.

The previous prime is 11723953. The next prime is 11723981. The reversal of 11723977 is 77932711.

11723977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 20736 = 3421^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723977 - 2¹⁵ = 11691209 is a prime.

It is not a weakly prime, because it can be changed into another prime (11723947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861988 + 5861989.

It is an arithmetic number, because the mean of its divisors is an integer number (5861989).

Almost surely, 2^11723977 is an apocalyptic number.

It is an amenable number.

11723977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723977 is an equidigital number, since it uses as much as digits as its factorization.

11723977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18522, while the sum is 37.

The square root of 11723977 is about 3424.0293515097. The cubic root of 11723977 is about 227.1738400685.

The spelling of 11723977 in words is "eleven million, seven hundred twenty-three thousand, nine hundred seventy-seven".