134223523 has 8 divisors (see below), whose sum is σ = 154888448. Its totient is φ = 113931144.

The previous prime is 134223503. The next prime is 134223527. The reversal of 134223523 is 325322431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134223523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134223527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92361 + ... + 93802.

It is an arithmetic number, because the mean of its divisors is an integer number (19361056).

Almost surely, 2^134223523 is an apocalyptic number.

134223523 is a deficient number, since it is larger than the sum of its proper divisors (20664925).

134223523 is a wasteful number, since it uses less digits than its factorization.

134223523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186273.

The product of its digits is 4320, while the sum is 25.

The square root of 134223523 is about 11585.4876030316. The cubic root of 134223523 is about 512.0073686175.

Adding to 134223523 its reverse (325322431), we get a palindrome (459545954).

The spelling of 134223523 in words is "one hundred thirty-four million, two hundred twenty-three thousand, five hundred twenty-three".