16423031137 has 2 divisors, whose sum is σ = 16423031138. Its totient is φ = 16423031136.

The previous prime is 16423031129. The next prime is 16423031143. The reversal of 16423031137 is 73113032461.

16423031137 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., 16404230241 + 18800896 = 128079^2 + 4336^2 .

It is a cyclic number.

It is not a de Polignac number, because 16423031137 - 2³ = 16423031129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16423031099 and 16423031108.

It is not a weakly prime, because it can be changed into another prime (16423031147) 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 as a sum of consecutive naturals, namely, 8211515568 + 8211515569.

It is an arithmetic number, because the mean of its divisors is an integer number (8211515569).

Almost surely, 2^16423031137 is an apocalyptic number.

It is an amenable number.

16423031137 is a deficient number, since it is larger than the sum of its proper divisors (1).

16423031137 is an equidigital number, since it uses as much as digits as its factorization.

16423031137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 16423031137 its reverse (73113032461), we get a palindrome (89536063598).

The spelling of 16423031137 in words is "sixteen billion, four hundred twenty-three million, thirty-one thousand, one hundred thirty-seven".