13123303340445 has 96 divisors (see below), whose sum is σ = 23167114274304. Its totient is φ = 6871396147200.

The previous prime is 13123303340363. The next prime is 13123303340467. The reversal of 13123303340445 is 54404330332131.

13123303340445 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 303 + 340 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 13123303340445 - 2⁷ = 13123303340317 is a prime.

It is a super-3 number, since 3×13123303340445³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205898172 + ... + 205961898.

It is an arithmetic number, because the mean of its divisors is an integer number (241324107024).

Almost surely, 2^{13123303340445} is an apocalyptic number.

13123303340445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13123303340445 is a deficient number, since it is larger than the sum of its proper divisors (10043810933859).

13123303340445 is a wasteful number, since it uses less digits than its factorization.

13123303340445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64243 (or 64240 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 13123303340445 its reverse (54404330332131), we get a palindrome (67527633672576).

It can be divided in two parts, 1312330 and 3340445, that added together give a triangular number (4652775 = T₃₀₅₀).

The spelling of 13123303340445 in words is "thirteen trillion, one hundred twenty-three billion, three hundred three million, three hundred forty thousand, four hundred forty-five".