223243041440 has 48 divisors (see below), whose sum is σ = 555170202720. Its totient is φ = 84597361920.

The previous prime is 223243041403. The next prime is 223243041457. The reversal of 223243041440 is 44140342322.

It is a super-3 number, since 3×223243041440³ (a number of 35 digits) contains 333 as substring.

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, 36714566 + ... + 36720645.

It is an arithmetic number, because the mean of its divisors is an integer number (11566045890).

Almost surely, 2^223243041440 is an apocalyptic number.

223243041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223243041440 is an abundant number, since it is smaller than the sum of its proper divisors (331927161280).

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

223243041440 is a wasteful number, since it uses less digits than its factorization.

223243041440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73435245 (or 73435237 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 223243041440 its reverse (44140342322), we get a palindrome (267383383762).

The spelling of 223243041440 in words is "two hundred twenty-three billion, two hundred forty-three million, forty-one thousand, four hundred forty".