223221232323 has 20 divisors (see below), whose sum is σ = 342466212880. Its totient is φ = 144792148752.

The previous prime is 223221232321. The next prime is 223221232343. The reversal of 223221232323 is 323232122322.

223221232323 is a `hidden beast` number, since 2 + 2 + 322 + 12 + 3 + 2 + 323 = 666.

It is not a de Polignac number, because 223221232323 - 2¹ = 223221232321 is a prime.

It is a super-3 number, since 3×223221232323³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221232321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37237783 + ... + 37243776.

It is an arithmetic number, because the mean of its divisors is an integer number (17123310644).

Almost surely, 2^223221232323 is an apocalyptic number.

223221232323 is a deficient number, since it is larger than the sum of its proper divisors (119244980557).

223221232323 is an equidigital number, since it uses as much as digits as its factorization.

223221232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74481608 (or 74481599 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 223221232323 its reverse (323232122322), we get a palindrome (546453354645).

The spelling of 223221232323 in words is "two hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-three".