13640225243023 has 8 divisors (see below), whose sum is σ = 14242452400080. Its totient is φ = 13046789723520.

The previous prime is 13640225243011. The next prime is 13640225243033. The reversal of 13640225243023 is 32034252204631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13640225243023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640225243033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197906218 + ... + 2197912423.

It is an arithmetic number, because the mean of its divisors is an integer number (1780306550010).

Almost surely, 2^{13640225243023} is an apocalyptic number.

13640225243023 is a deficient number, since it is larger than the sum of its proper divisors (602227157057).

13640225243023 is a wasteful number, since it uses less digits than its factorization.

13640225243023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395818777.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 13640225243023 its reverse (32034252204631), we get a palindrome (45674477447654).

The spelling of 13640225243023 in words is "thirteen trillion, six hundred forty billion, two hundred twenty-five million, two hundred forty-three thousand, twenty-three".