13445400223 has 2 divisors, whose sum is σ = 13445400224. Its totient is φ = 13445400222.

The previous prime is 13445400203. The next prime is 13445400253. The reversal of 13445400223 is 32200454431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13445400223 - 2²⁹ = 12908529311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13445400191 and 13445400200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13445400203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722700111 + 6722700112.

It is an arithmetic number, because the mean of its divisors is an integer number (6722700112).

Almost surely, 2^13445400223 is an apocalyptic number.

13445400223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445400223 is an equidigital number, since it uses as much as digits as its factorization.

13445400223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13445400223 its reverse (32200454431), we get a palindrome (45645854654).

The spelling of 13445400223 in words is "thirteen billion, four hundred forty-five million, four hundred thousand, two hundred twenty-three".