223320300231 has 16 divisors (see below), whose sum is σ = 348597543168. Its totient is φ = 124499121600.

The previous prime is 223320300227. The next prime is 223320300251. The reversal of 223320300231 is 132003023322.

It is not a de Polignac number, because 223320300231 - 2² = 223320300227 is a prime.

It is a super-2 number, since 2×223320300231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 223320300198 and 223320300207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223320300251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129685725 + ... + 129687446.

It is an arithmetic number, because the mean of its divisors is an integer number (21787346448).

Almost surely, 2^223320300231 is an apocalyptic number.

223320300231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223320300231 is a deficient number, since it is larger than the sum of its proper divisors (125277242937).

223320300231 is a wasteful number, since it uses less digits than its factorization.

223320300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259373222.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223320300231 its reverse (132003023322), we get a palindrome (355323323553).

The spelling of 223320300231 in words is "two hundred twenty-three billion, three hundred twenty million, three hundred thousand, two hundred thirty-one".