134544023 has 2 divisors, whose sum is σ = 134544024. Its totient is φ = 134544022.

The previous prime is 134544017. The next prime is 134544071. The reversal of 134544023 is 320445431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134544023 - 2¹⁸ = 134281879 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 134543983 and 134544001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134544323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67272011 + 67272012.

It is an arithmetic number, because the mean of its divisors is an integer number (67272012).

Almost surely, 2^134544023 is an apocalyptic number.

134544023 is a deficient number, since it is larger than the sum of its proper divisors (1).

134544023 is an equidigital number, since it uses as much as digits as its factorization.

134544023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 134544023 is about 11599.3113157635. The cubic root of 134544023 is about 512.4145697776.

Adding to 134544023 its reverse (320445431), we get a palindrome (454989454).

The spelling of 134544023 in words is "one hundred thirty-four million, five hundred forty-four thousand, twenty-three".