123456223244 has 12 divisors (see below), whose sum is σ = 218187484368. Its totient is φ = 61116942000.

The previous prime is 123456223211. The next prime is 123456223249. The reversal of 123456223244 is 442322654321.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123456223198 and 123456223207.

It is not an unprimeable number, because it can be changed into a prime (123456223249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152791952 + ... + 152792759.

It is an arithmetic number, because the mean of its divisors is an integer number (18182290364).

Almost surely, 2^123456223244 is an apocalyptic number.

It is an amenable number.

123456223244 is a deficient number, since it is larger than the sum of its proper divisors (94731261124).

123456223244 is a wasteful number, since it uses less digits than its factorization.

123456223244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305584816 (or 305584814 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

Adding to 123456223244 its reverse (442322654321), we get a palindrome (565778877565).

The spelling of 123456223244 in words is "one hundred twenty-three billion, four hundred fifty-six million, two hundred twenty-three thousand, two hundred forty-four".