13223143413021 has 32 divisors (see below), whose sum is σ = 18462411233280. Its totient is φ = 8402367262784.

The previous prime is 13223143412977. The next prime is 13223143413061. The reversal of 13223143413021 is 12031434132231.

It is a cyclic number.

It is not a de Polignac number, because 13223143413021 - 2⁷ = 13223143412893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13223143413021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223143413061) 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, 192815680 + ... + 192884246.

It is an arithmetic number, because the mean of its divisors is an integer number (576950351040).

Almost surely, 2^{13223143413021} is an apocalyptic number.

It is an amenable number.

13223143413021 is a deficient number, since it is larger than the sum of its proper divisors (5239267820259).

13223143413021 is a wasteful number, since it uses less digits than its factorization.

13223143413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78425.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13223143413021 its reverse (12031434132231), we get a palindrome (25254577545252).

The spelling of 13223143413021 in words is "thirteen trillion, two hundred twenty-three billion, one hundred forty-three million, four hundred thirteen thousand, twenty-one".