13223557689241 has 9 divisors (see below), whose sum is σ = 13271809645789. Its totient is φ = 13175480567200.

The previous prime is 13223557689233. The next prime is 13223557689269. The reversal of 13223557689241 is 14298675532231.

The square root of 13223557689241 is 3636421.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2496491640841 + 10727066048400 = 1580029^2 + 3275220^2 .

It is not a de Polignac number, because 13223557689241 - 2³ = 13223557689233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223557659241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1021827831 + ... + 1021840771.

Almost surely, 2^{13223557689241} is an apocalyptic number.

13223557689241 is the 3636421-st square number.

13223557689241 is the 1818211-st centered octagonal number.

It is an amenable number.

13223557689241 is a deficient number, since it is larger than the sum of its proper divisors (48251956548).

13223557689241 is an frugal number, since it uses more digits than its factorization.

13223557689241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26444 (or 13222 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 13223557689241 in words is "thirteen trillion, two hundred twenty-three billion, five hundred fifty-seven million, six hundred eighty-nine thousand, two hundred forty-one".