134407123 has 2 divisors, whose sum is σ = 134407124. Its totient is φ = 134407122.

The previous prime is 134407109. The next prime is 134407139. The reversal of 134407123 is 321704431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134407123 - 2⁹ = 134406611 is a prime.

It is a super-4 number, since 4×134407123⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (134407183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67203561 + 67203562.

It is an arithmetic number, because the mean of its divisors is an integer number (67203562).

Almost surely, 2^134407123 is an apocalyptic number.

134407123 is a deficient number, since it is larger than the sum of its proper divisors (1).

134407123 is an equidigital number, since it uses as much as digits as its factorization.

134407123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 134407123 is about 11593.4086014425. The cubic root of 134407123 is about 512.2407150072.

The spelling of 134407123 in words is "one hundred thirty-four million, four hundred seven thousand, one hundred twenty-three".