123045055445 has 16 divisors (see below), whose sum is σ = 159598854912. Its totient is φ = 90528736320.

The previous prime is 123045055439. The next prime is 123045055453. The reversal of 123045055445 is 544550540321.

It is not a de Polignac number, because 123045055445 - 2¹⁸ = 123044793301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123045055399 and 123045055408.

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 15 ways as a sum of consecutive naturals, for example, 3475007 + ... + 3510236.

It is an arithmetic number, because the mean of its divisors is an integer number (9974928432).

Almost surely, 2^123045055445 is an apocalyptic number.

It is an amenable number.

123045055445 is a deficient number, since it is larger than the sum of its proper divisors (36553799467).

123045055445 is a wasteful number, since it uses less digits than its factorization.

123045055445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985532.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 123045055445 its reverse (544550540321), we get a palindrome (667595595766).

The spelling of 123045055445 in words is "one hundred twenty-three billion, forty-five million, fifty-five thousand, four hundred forty-five".