123120014045 has 32 divisors (see below), whose sum is σ = 170088815616. Its totient is φ = 83808172800.

The previous prime is 123120014033. The next prime is 123120014051. The reversal of 123120014045 is 540410021321.

It is not a de Polignac number, because 123120014045 - 2¹⁰ = 123120013021 is a prime.

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 123120014045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2603915 + ... + 2650775.

It is an arithmetic number, because the mean of its divisors is an integer number (5315275488).

Almost surely, 2^123120014045 is an apocalyptic number.

It is an amenable number.

123120014045 is a deficient number, since it is larger than the sum of its proper divisors (46968801571).

123120014045 is a wasteful number, since it uses less digits than its factorization.

123120014045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47421.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 123120014045 its reverse (540410021321), we get a palindrome (663530035366).

The spelling of 123120014045 in words is "one hundred twenty-three billion, one hundred twenty million, fourteen thousand, forty-five".