13423510550345 has 12 divisors (see below), whose sum is σ = 18738124931844. Its totient is φ = 9204692948640.

The previous prime is 13423510550341. The next prime is 13423510550363. The reversal of 13423510550345 is 54305501532431.

It can be written as a sum of positive squares in 2 ways, for example, as 2077910718016 + 11345599832329 = 1441496^2 + 3368323^2 .

It is not a de Polignac number, because 13423510550345 - 2² = 13423510550341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423510550341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27394919246 + ... + 27394919735.

It is an arithmetic number, because the mean of its divisors is an integer number (1561510410987).

Almost surely, 2^{13423510550345} is an apocalyptic number.

It is an amenable number.

13423510550345 is a deficient number, since it is larger than the sum of its proper divisors (5314614381499).

13423510550345 is an equidigital number, since it uses as much as digits as its factorization.

13423510550345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54789839000 (or 54789838993 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 13423510550345 in words is "thirteen trillion, four hundred twenty-three billion, five hundred ten million, five hundred fifty thousand, three hundred forty-five".