134334561564423 has 12 divisors (see below), whose sum is σ = 211678703071368. Its totient is φ = 81414885796560.

The previous prime is 134334561564347. The next prime is 134334561564449. The reversal of 134334561564423 is 324465165433431.

134334561564423 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 3 + 4 + 56 + 1 + 564 + 4 + 23 = 666.

It is not a de Polignac number, because 134334561564423 - 2¹⁰ = 134334561563399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134334561564423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134334561544423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678457381540 + ... + 678457381737.

It is an arithmetic number, because the mean of its divisors is an integer number (17639891922614).

Almost surely, 2^{134334561564423} is an apocalyptic number.

134334561564423 is a deficient number, since it is larger than the sum of its proper divisors (77344141506945).

134334561564423 is a wasteful number, since it uses less digits than its factorization.

134334561564423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356914763294 (or 1356914763291 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 54.

The spelling of 134334561564423 in words is "one hundred thirty-four trillion, three hundred thirty-four billion, five hundred sixty-one million, five hundred sixty-four thousand, four hundred twenty-three".