120123340123 has 2 divisors, whose sum is σ = 120123340124. Its totient is φ = 120123340122.

The previous prime is 120123340097. The next prime is 120123340153. The reversal of 120123340123 is 321043321021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120123340123 - 2²⁵ = 120089785691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120123340094 and 120123340103.

It is not a weakly prime, because it can be changed into another prime (120123340153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061670061 + 60061670062.

It is an arithmetic number, because the mean of its divisors is an integer number (60061670062).

Almost surely, 2^120123340123 is an apocalyptic number.

120123340123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120123340123 is an equidigital number, since it uses as much as digits as its factorization.

120123340123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 120123340123 its reverse (321043321021), we get a palindrome (441166661144).

The spelling of 120123340123 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred forty thousand, one hundred twenty-three".