23402450553523 has 32 divisors (see below), whose sum is σ = 24400369693440. Its totient is φ = 22431697200000.

The previous prime is 23402450553499. The next prime is 23402450553539. The reversal of 23402450553523 is 32535505420432.

It is a cyclic number.

It is not a de Polignac number, because 23402450553523 - 2⁹ = 23402450553011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23402450553523.

It is not an unprimeable number, because it can be changed into a prime (23402450553623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2036583808 + ... + 2036595298.

It is an arithmetic number, because the mean of its divisors is an integer number (762511552920).

Almost surely, 2^{23402450553523} is an apocalyptic number.

23402450553523 is a deficient number, since it is larger than the sum of its proper divisors (997919139917).

23402450553523 is a wasteful number, since it uses less digits than its factorization.

23402450553523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819.

The product of its (nonzero) digits is 2160000, while the sum is 43.

Adding to 23402450553523 its reverse (32535505420432), we get a palindrome (55937955973955).

The spelling of 23402450553523 in words is "twenty-three trillion, four hundred two billion, four hundred fifty million, five hundred fifty-three thousand, five hundred twenty-three".