134623 has 4 divisors (see below), whose sum is σ = 142560. Its totient is φ = 126688.

The previous prime is 134609. The next prime is 134639. The reversal of 134623 is 326431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326431 = 7 ⋅46633.

It is a cyclic number.

It is not a de Polignac number, because 134623 - 2⁵ = 134591 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 6⁴ + 4³ + 2¹⁷ + 3⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3943 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2¹³⁴⁶²³ is an apocalyptic number.

134623 is a deficient number, since it is larger than the sum of its proper divisors (7937).

134623 is an equidigital number, since it uses as much as digits as its factorization.

134623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its digits is 432, while the sum is 19.

The square root of 134623 is about 366.9100707258. The cubic root of 134623 is about 51.2514812183.

It can be divided in two parts, 1346 and 23, that added together give a square (1369 = 37²).

The spelling of 134623 in words is "one hundred thirty-four thousand, six hundred twenty-three".