23521223221322 has 8 divisors (see below), whose sum is σ = 35281865303076. Its totient is φ = 11760601453632.

The previous prime is 23521223221319. The next prime is 23521223221369. The reversal of 23521223221322 is 22312232212532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22471477487281 + 1049745734041 = 4740409^2 + 1024571^2 .

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

It is a super-3 number, since 3×23521223221322³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746623 + ... + 7077650.

Almost surely, 2^{23521223221322} is an apocalyptic number.

23521223221322 is a deficient number, since it is larger than the sum of its proper divisors (11760642081754).

23521223221322 is a wasteful number, since it uses less digits than its factorization.

23521223221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157032.

The product of its digits is 34560, while the sum is 32.

Adding to 23521223221322 its reverse (22312232212532), we get a palindrome (45833455433854).

The spelling of 23521223221322 in words is "twenty-three trillion, five hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-two".