244123231320 has 128 divisors (see below), whose sum is σ = 814056408000. Its totient is φ = 65074544640.

The previous prime is 244123231283. The next prime is 244123231349. The reversal of 244123231320 is 23132321442.

244123231320 is a `hidden beast` number, since 2 + 4 + 4 + 12 + 323 + 1 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2862090 + ... + 2946150.

Almost surely, 2^244123231320 is an apocalyptic number.

244123231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244123231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407028204000).

244123231320 is an abundant number, since it is smaller than the sum of its proper divisors (569933176680).

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

244123231320 is a wasteful number, since it uses less digits than its factorization.

244123231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86770 (or 86760 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 244123231320 its reverse (23132321442), we get a palindrome (267255552762).

The spelling of 244123231320 in words is "two hundred forty-four billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty".