223381953608 has 60 divisors (see below), whose sum is σ = 461056275225. Its totient is φ = 101463727200.

The previous prime is 223381953607. The next prime is 223381953649. The reversal of 223381953608 is 806359183322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 222918068164 + 463885444 = 472142^2 + 21538^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334202.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223381953607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 161753078 + ... + 161754458.

Almost surely, 2^223381953608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223381953608

223381953608 is an abundant number, since it is smaller than the sum of its proper divisors (237674321617).

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

223381953608 is an frugal number, since it uses more digits than its factorization.

223381953608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

Multiplying 223381953608 by its sum of digits (50), we get a square (11169097680400 = 3342020²).

The spelling of 223381953608 in words is "two hundred twenty-three billion, three hundred eighty-one million, nine hundred fifty-three thousand, six hundred eight".