13023411523221 has 32 divisors (see below), whose sum is σ = 19376322800256. Its totient is φ = 7714133856000.

The previous prime is 13023411523127. The next prime is 13023411523249. The reversal of 13023411523221 is 12232511432031.

It is not a de Polignac number, because 13023411523221 - 2¹⁰ = 13023411522197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023411523261) 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, 20287950 + ... + 20920031.

It is an arithmetic number, because the mean of its divisors is an integer number (605510087508).

Almost surely, 2^{13023411523221} is an apocalyptic number.

13023411523221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13023411523221 is a deficient number, since it is larger than the sum of its proper divisors (6352911277035).

13023411523221 is a wasteful number, since it uses less digits than its factorization.

13023411523221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41208213.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13023411523221 its reverse (12232511432031), we get a palindrome (25255922955252).

The spelling of 13023411523221 in words is "thirteen trillion, twenty-three billion, four hundred eleven million, five hundred twenty-three thousand, two hundred twenty-one".