1223225423 has 8 divisors (see below), whose sum is σ = 1446178080. Its totient is φ = 1012324320.

The previous prime is 1223225407. The next prime is 1223225441. The reversal of 1223225423 is 3245223221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223225423 - 2⁴ = 1223225407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223225392 and 1223225401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223225473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012668 + ... + 3013073.

It is an arithmetic number, because the mean of its divisors is an integer number (180772260).

Almost surely, 2^1223225423 is an apocalyptic number.

1223225423 is a deficient number, since it is larger than the sum of its proper divisors (222952657).

1223225423 is an equidigital number, since it uses as much as digits as its factorization.

1223225423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025777.

The product of its digits is 5760, while the sum is 26.

The square root of 1223225423 is about 34974.6397122258. The cubic root of 1223225423 is about 1069.4705573572.

Adding to 1223225423 its reverse (3245223221), we get a palindrome (4468448644).

The spelling of 1223225423 in words is "one billion, two hundred twenty-three million, two hundred twenty-five thousand, four hundred twenty-three".