123344244220 has 24 divisors (see below), whose sum is σ = 259041381984. Its totient is φ = 49334179776.

The previous prime is 123344244169. The next prime is 123344244293. The reversal of 123344244220 is 22442443321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77442 + ... + 502678.

It is an arithmetic number, because the mean of its divisors is an integer number (10793390916).

Almost surely, 2^123344244220 is an apocalyptic number.

123344244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123344244220 is an abundant number, since it is smaller than the sum of its proper divisors (135697137764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123344244220 is a wasteful number, since it uses less digits than its factorization.

123344244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439749 (or 439747 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 123344244220 its reverse (22442443321), we get a palindrome (145786687541).

The spelling of 123344244220 in words is "one hundred twenty-three billion, three hundred forty-four million, two hundred forty-four thousand, two hundred twenty".