244123400 has 96 divisors (see below), whose sum is σ = 632772000. Its totient is φ = 87045120.

The previous prime is 244123393. The next prime is 244123409. The reversal of 244123400 is 4321442.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (244123409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62711 + ... + 66489.

It is an arithmetic number, because the mean of its divisors is an integer number (6591375).

Almost surely, 2^244123400 is an apocalyptic number.

244123400 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 244123400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316386000).

244123400 is an abundant number, since it is smaller than the sum of its proper divisors (388648600).

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

244123400 is a wasteful number, since it uses less digits than its factorization.

244123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 244123400 is about 15624.4487902774. The cubic root of 244123400 is about 624.9853009876.

Adding to 244123400 its reverse (4321442), we get a palindrome (248444842).

The spelling of 244123400 in words is "two hundred forty-four million, one hundred twenty-three thousand, four hundred".