120123100342405 has 16 divisors (see below), whose sum is σ = 144362189369664. Its totient is φ = 95955512267520.

The previous prime is 120123100342337. The next prime is 120123100342417. The reversal of 120123100342405 is 504243001321021.

It is not a de Polignac number, because 120123100342405 - 2⁴¹ = 117924077086853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85933882 + ... + 87320548.

It is an arithmetic number, because the mean of its divisors is an integer number (9022636835604).

Almost surely, 2^{120123100342405} is an apocalyptic number.

It is an amenable number.

120123100342405 is a deficient number, since it is larger than the sum of its proper divisors (24239089027259).

120123100342405 is a wasteful number, since it uses less digits than its factorization.

120123100342405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412436.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 120123100342405 its reverse (504243001321021), we get a palindrome (624366101663426).

The spelling of 120123100342405 in words is "one hundred twenty trillion, one hundred twenty-three billion, one hundred million, three hundred forty-two thousand, four hundred five".