134512162123 has 2 divisors, whose sum is σ = 134512162124. Its totient is φ = 134512162122.

The previous prime is 134512162121. The next prime is 134512162133. The reversal of 134512162123 is 321261215431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134512162123 - 2¹ = 134512162121 is a prime.

Together with 134512162121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134512162121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256081061 + 67256081062.

It is an arithmetic number, because the mean of its divisors is an integer number (67256081062).

Almost surely, 2^134512162123 is an apocalyptic number.

134512162123 is a deficient number, since it is larger than the sum of its proper divisors (1).

134512162123 is an equidigital number, since it uses as much as digits as its factorization.

134512162123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

Adding to 134512162123 its reverse (321261215431), we get a palindrome (455773377554).

The spelling of 134512162123 in words is "one hundred thirty-four billion, five hundred twelve million, one hundred sixty-two thousand, one hundred twenty-three".