223040320824 has 96 divisors (see below), whose sum is σ = 598082958720. Its totient is φ = 69293858304.

The previous prime is 223040320813. The next prime is 223040320859. The reversal of 223040320824 is 428023040322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223040320791 and 223040320800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558307 + ... + 870509.

It is an arithmetic number, because the mean of its divisors is an integer number (6230030820).

Almost surely, 2^223040320824 is an apocalyptic number.

223040320824 is a gapful number since it is divisible by the number (24) 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 223040320824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299041479360).

223040320824 is an abundant number, since it is smaller than the sum of its proper divisors (375042637896).

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

223040320824 is a wasteful number, since it uses less digits than its factorization.

223040320824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312349 (or 312328 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 223040320824 in words is "two hundred twenty-three billion, forty million, three hundred twenty thousand, eight hundred twenty-four".