13441223257 has 32 divisors (see below), whose sum is σ = 18208972800. Its totient is φ = 9602323200.

The previous prime is 13441223209. The next prime is 13441223273. The reversal of 13441223257 is 75232214431.

It is a cyclic number.

It is not a de Polignac number, because 13441223257 - 2¹⁵ = 13441190489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441223287) 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, 102832 + ... + 193537.

It is an arithmetic number, because the mean of its divisors is an integer number (569030400).

Almost surely, 2^13441223257 is an apocalyptic number.

It is an amenable number.

13441223257 is a deficient number, since it is larger than the sum of its proper divisors (4767749543).

13441223257 is a wasteful number, since it uses less digits than its factorization.

13441223257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296437.

The product of its digits is 40320, while the sum is 34.

Adding to 13441223257 its reverse (75232214431), we get a palindrome (88673437688).

The spelling of 13441223257 in words is "thirteen billion, four hundred forty-one million, two hundred twenty-three thousand, two hundred fifty-seven".