134047223 has 4 divisors (see below), whose sum is σ = 141102360. Its totient is φ = 126992088.

The previous prime is 134047217. The next prime is 134047231. The reversal of 134047223 is 322740431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134047223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134047192 and 134047201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134047253) 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, 3527540 + ... + 3527577.

It is an arithmetic number, because the mean of its divisors is an integer number (35275590).

Almost surely, 2^134047223 is an apocalyptic number.

134047223 is a deficient number, since it is larger than the sum of its proper divisors (7055137).

134047223 is an equidigital number, since it uses as much as digits as its factorization.

134047223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055136.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 134047223 is about 11577.8764460500. The cubic root of 134047223 is about 511.7830998078.

Adding to 134047223 its reverse (322740431), we get a palindrome (456787654).

The spelling of 134047223 in words is "one hundred thirty-four million, forty-seven thousand, two hundred twenty-three".