131723168 has 24 divisors (see below), whose sum is σ = 259600068. Its totient is φ = 65793024.

The previous prime is 131723167. The next prime is 131723173. The reversal of 131723168 is 861327131.

131723168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123032464 + 8690704 = 11092^2 + 2948^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (131723161) 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 3 ways as a sum of consecutive naturals, for example, 45080 + ... + 47912.

Almost surely, 2^131723168 is an apocalyptic number.

It is an amenable number.

131723168 is a deficient number, since it is larger than the sum of its proper divisors (127876900).

131723168 is a wasteful number, since it uses less digits than its factorization.

131723168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4288 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 131723168 is about 11477.0714034548. The cubic root of 131723168 is about 508.8081459740.

The spelling of 131723168 in words is "one hundred thirty-one million, seven hundred twenty-three thousand, one hundred sixty-eight".