23521422412533 has 4 divisors (see below), whose sum is σ = 31361896550048. Its totient is φ = 15680948275020.

The previous prime is 23521422412489. The next prime is 23521422412541. The reversal of 23521422412533 is 33521422412532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23521422412533 - 2⁸ = 23521422412277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23521422412491 and 23521422412500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521422410533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3920237068753 + ... + 3920237068758.

It is an arithmetic number, because the mean of its divisors is an integer number (7840474137512).

Almost surely, 2^{23521422412533} is an apocalyptic number.

It is an amenable number.

23521422412533 is a deficient number, since it is larger than the sum of its proper divisors (7840474137515).

23521422412533 is an equidigital number, since it uses as much as digits as its factorization.

23521422412533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840474137514.

The product of its digits is 345600, while the sum is 39.

Subtracting 23521422412533 from its reverse (33521422412532), we obtain a palindrome (9999999999999).

The spelling of 23521422412533 in words is "twenty-three trillion, five hundred twenty-one billion, four hundred twenty-two million, four hundred twelve thousand, five hundred thirty-three".