134321100123 has 8 divisors (see below), whose sum is σ = 204679771648. Its totient is φ = 76754914344.

The previous prime is 134321100097. The next prime is 134321100187. The reversal of 134321100123 is 321001123431.

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

It is not a de Polignac number, because 134321100123 - 2⁵ = 134321100091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6396242863 = 134321100123 / (1 + 3 + 4 + 3 + 2 + 1 + 1 + 0 + 0 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134321100123.

It is not an unprimeable number, because it can be changed into a prime (134321000123) 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, 3198121411 + ... + 3198121452.

It is an arithmetic number, because the mean of its divisors is an integer number (25584971456).

Almost surely, 2^134321100123 is an apocalyptic number.

134321100123 is a deficient number, since it is larger than the sum of its proper divisors (70358671525).

134321100123 is an equidigital number, since it uses as much as digits as its factorization.

134321100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396242873.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 134321100123 its reverse (321001123431), we get a palindrome (455322223554).

The spelling of 134321100123 in words is "one hundred thirty-four billion, three hundred twenty-one million, one hundred thousand, one hundred twenty-three".