23513435400445 has 8 divisors (see below), whose sum is σ = 28556075763936. Its totient is φ = 18584112798096.

The previous prime is 23513435400443. The next prime is 23513435400451. The reversal of 23513435400445 is 54400453431532.

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

It is a cyclic number.

It is not a de Polignac number, because 23513435400445 - 2¹ = 23513435400443 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 (23513435400443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28329439827 + ... + 28329440656.

It is an arithmetic number, because the mean of its divisors is an integer number (3569509470492).

Almost surely, 2^{23513435400445} is an apocalyptic number.

It is an amenable number.

23513435400445 is a deficient number, since it is larger than the sum of its proper divisors (5042640363491).

23513435400445 is an equidigital number, since it uses as much as digits as its factorization.

23513435400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56658880571.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 23513435400445 its reverse (54400453431532), we get a palindrome (77913888831977).

The spelling of 23513435400445 in words is "twenty-three trillion, five hundred thirteen billion, four hundred thirty-five million, four hundred thousand, four hundred forty-five".