134243823 has 8 divisors (see below), whose sum is σ = 204562048. Its totient is φ = 76710744.

The previous prime is 134243803. The next prime is 134243839. The reversal of 134243823 is 328342431.

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

It is not a de Polignac number, because 134243823 - 2⁹ = 134243311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134243803) 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, 3196261 + ... + 3196302.

It is an arithmetic number, because the mean of its divisors is an integer number (25570256).

Almost surely, 2^134243823 is an apocalyptic number.

134243823 is a deficient number, since it is larger than the sum of its proper divisors (70318225).

134243823 is an equidigital number, since it uses as much as digits as its factorization.

134243823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392573.

The product of its digits is 13824, while the sum is 30.

The square root of 134243823 is about 11586.3636659653. The cubic root of 134243823 is about 512.0331793582.

The spelling of 134243823 in words is "one hundred thirty-four million, two hundred forty-three thousand, eight hundred twenty-three".