134430223 has 4 divisors (see below), whose sum is σ = 134453448. Its totient is φ = 134407000.

The previous prime is 134430221. The next prime is 134430227. The reversal of 134430223 is 322034431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 134430223 - 2¹ = 134430221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134430194 and 134430203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134430221) 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, 4848 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (33613362).

Almost surely, 2^134430223 is an apocalyptic number.

134430223 is a deficient number, since it is larger than the sum of its proper divisors (23225).

134430223 is a wasteful number, since it uses less digits than its factorization.

134430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 134430223 is about 11594.4048143922. The cubic root of 134430223 is about 512.2700588952.

Adding to 134430223 its reverse (322034431), we get a palindrome (456464654).

The spelling of 134430223 in words is "one hundred thirty-four million, four hundred thirty thousand, two hundred twenty-three".