134447840322623 has 4 divisors (see below), whose sum is σ = 134672294146800. Its totient is φ = 134223386498448.

The previous prime is 134447840322581. The next prime is 134447840322643. The reversal of 134447840322623 is 326223048744431.

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-134447840322623 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 (134447840322643) 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, 112226911190 + ... + 112226912387.

It is an arithmetic number, because the mean of its divisors is an integer number (33668073536700).

Almost surely, 2^{134447840322623} is an apocalyptic number.

134447840322623 is a deficient number, since it is larger than the sum of its proper divisors (224453824177).

134447840322623 is an equidigital number, since it uses as much as digits as its factorization.

134447840322623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224453824176.

The product of its (nonzero) digits is 18579456, while the sum is 53.

The spelling of 134447840322623 in words is "one hundred thirty-four trillion, four hundred forty-seven billion, eight hundred forty million, three hundred twenty-two thousand, six hundred twenty-three".