134400323 has 4 divisors (see below), whose sum is σ = 136019688. Its totient is φ = 132780960.

The previous prime is 134400313. The next prime is 134400341. The reversal of 134400323 is 323004431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323004431 = 107 ⋅3018733.

It is a cyclic number.

It is not a de Polignac number, because 134400323 - 2²² = 130206019 is a prime.

It is a super-4 number, since 4×134400323⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134400295 and 134400304.

It is not an unprimeable number, because it can be changed into a prime (134400313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809558 + ... + 809723.

It is an arithmetic number, because the mean of its divisors is an integer number (34004922).

Almost surely, 2^134400323 is an apocalyptic number.

134400323 is a deficient number, since it is larger than the sum of its proper divisors (1619365).

134400323 is an equidigital number, since it uses as much as digits as its factorization.

134400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619364.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 134400323 is about 11593.1153276417. The cubic root of 134400323 is about 512.2320763390.

Adding to 134400323 its reverse (323004431), we get a palindrome (457404754).

The spelling of 134400323 in words is "one hundred thirty-four million, four hundred thousand, three hundred twenty-three".