1225223223423 has 16 divisors (see below), whose sum is σ = 1729789551360. Its totient is φ = 768739669376.

The previous prime is 1225223223361. The next prime is 1225223223431. The reversal of 1225223223423 is 3243223225221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1225223223423 - 2⁹ = 1225223222911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225223223473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035118 + ... + 1876676.

It is an arithmetic number, because the mean of its divisors is an integer number (108111846960).

Almost surely, 2^{1225223223423} is an apocalyptic number.

1225223223423 is a deficient number, since it is larger than the sum of its proper divisors (504566327937).

1225223223423 is a wasteful number, since it uses less digits than its factorization.

1225223223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870126.

The product of its digits is 69120, while the sum is 33.

Adding to 1225223223423 its reverse (3243223225221), we get a palindrome (4468446448644).

The spelling of 1225223223423 in words is "one trillion, two hundred twenty-five billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred twenty-three".