134477842723 has 4 divisors (see below), whose sum is σ = 153688963120. Its totient is φ = 115266722328.

The previous prime is 134477842699. The next prime is 134477842757. The reversal of 134477842723 is 327248774431.

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

It is a cyclic number.

It is not a de Polignac number, because 134477842723 - 2¹³ = 134477834531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134477882723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9605560188 + ... + 9605560201.

It is an arithmetic number, because the mean of its divisors is an integer number (38422240780).

Almost surely, 2^134477842723 is an apocalyptic number.

134477842723 is a deficient number, since it is larger than the sum of its proper divisors (19211120397).

134477842723 is an equidigital number, since it uses as much as digits as its factorization.

134477842723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211120396.

The product of its digits is 6322176, while the sum is 52.

The spelling of 134477842723 in words is "one hundred thirty-four billion, four hundred seventy-seven million, eight hundred forty-two thousand, seven hundred twenty-three".