223311320232 has 256 divisors, whose sum is σ = 751442227200. Its totient is φ = 53407918080.

The previous prime is 223311320203. The next prime is 223311320263. The reversal of 223311320232 is 232023113322.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9814453 + ... + 9837179.

It is an arithmetic number, because the mean of its divisors is an integer number (2935321200).

Almost surely, 2^223311320232 is an apocalyptic number.

223311320232 is a gapful number since it is divisible by the number (22) 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 223311320232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375721113600).

223311320232 is an abundant number, since it is smaller than the sum of its proper divisors (528130906968).

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

223311320232 is a wasteful number, since it uses less digits than its factorization.

223311320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23176 (or 23172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223311320232 its reverse (232023113322), we get a palindrome (455334433554).

The spelling of 223311320232 in words is "two hundred twenty-three billion, three hundred eleven million, three hundred twenty thousand, two hundred thirty-two".