134213312123 has 8 divisors (see below), whose sum is σ = 146626418496. Its totient is φ = 121835521800.

The previous prime is 134213312119. The next prime is 134213312143. The reversal of 134213312123 is 321213312431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134213312123 - 2² = 134213312119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134213312092 and 134213312101.

It is not an unprimeable number, because it can be changed into a prime (134213312143) 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, 8821061 + ... + 8836262.

It is an arithmetic number, because the mean of its divisors is an integer number (18328302312).

Almost surely, 2^134213312123 is an apocalyptic number.

134213312123 is a deficient number, since it is larger than the sum of its proper divisors (12413106373).

134213312123 is a wasteful number, since it uses less digits than its factorization.

134213312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658025.

The product of its digits is 2592, while the sum is 26.

Adding to 134213312123 its reverse (321213312431), we get a palindrome (455426624554).

The spelling of 134213312123 in words is "one hundred thirty-four billion, two hundred thirteen million, three hundred twelve thousand, one hundred twenty-three".