223444823380 has 48 divisors (see below), whose sum is σ = 497588280336. Its totient is φ = 83993057280.

The previous prime is 223444823341. The next prime is 223444823387. The reversal of 223444823380 is 83328444322.

It can be written as a sum of positive squares in 8 ways, for example, as 21408957124 + 202035866256 = 146318^2 + 449484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444823387) 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 15 ways as a sum of consecutive naturals, for example, 272379 + ... + 721858.

It is an arithmetic number, because the mean of its divisors is an integer number (10366422507).

Almost surely, 2^223444823380 is an apocalyptic number.

223444823380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223444823380 is an abundant number, since it is smaller than the sum of its proper divisors (274143456956).

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

223444823380 is a wasteful number, since it uses less digits than its factorization.

223444823380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994924 (or 994922 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 223444823380 in words is "two hundred twenty-three billion, four hundred forty-four million, eight hundred twenty-three thousand, three hundred eighty".