23521223221323 has 8 divisors (see below), whose sum is σ = 31491762211536. Its totient is φ = 15615749856000.

The previous prime is 23521223221319. The next prime is 23521223221369. The reversal of 23521223221323 is 32312232212532.

It is a happy number.

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

It is not a de Polignac number, because 23521223221323 - 2² = 23521223221319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23521223221123) 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, 16266405378 + ... + 16266406823.

It is an arithmetic number, because the mean of its divisors is an integer number (3936470276442).

Almost surely, 2^{23521223221323} is an apocalyptic number.

23521223221323 is a deficient number, since it is larger than the sum of its proper divisors (7970538990213).

23521223221323 is a wasteful number, since it uses less digits than its factorization.

23521223221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32532812445.

The product of its digits is 51840, while the sum is 33.

Adding to 23521223221323 its reverse (32312232212532), we get a palindrome (55833455433855).

The spelling of 23521223221323 in words is "twenty-three trillion, five hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-three".