13061021223 has 8 divisors (see below), whose sum is σ = 17420509936. Its totient is φ = 8704440000.

The previous prime is 13061021143. The next prime is 13061021231. The reversal of 13061021223 is 32212016031.

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

It is not a de Polignac number, because 13061021223 - 2¹⁰ = 13061020199 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 13061021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061021263) 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, 716368 + ... + 734373.

It is an arithmetic number, because the mean of its divisors is an integer number (2177563742).

Almost surely, 2^13061021223 is an apocalyptic number.

13061021223 is a deficient number, since it is larger than the sum of its proper divisors (4359488713).

13061021223 is a wasteful number, since it uses less digits than its factorization.

13061021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453745.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13061021223 its reverse (32212016031), we get a palindrome (45273037254).

The spelling of 13061021223 in words is "thirteen billion, sixty-one million, twenty-one thousand, two hundred twenty-three".