223031302320 has 40 divisors (see below), whose sum is σ = 691397037936. Its totient is φ = 59475013888.

The previous prime is 223031302297. The next prime is 223031302357. The reversal of 223031302320 is 23203130322.

It is a tau number, because it is divible by the number of its divisors (40).

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, 464648307 + ... + 464648786.

Almost surely, 2^223031302320 is an apocalyptic number.

223031302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223031302320 is an abundant number, since it is smaller than the sum of its proper divisors (468365735616).

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

223031302320 is a wasteful number, since it uses less digits than its factorization.

223031302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929297109 (or 929297103 counting only the distinct ones).

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

Adding to 223031302320 its reverse (23203130322), we get a palindrome (246234432642).

The spelling of 223031302320 in words is "two hundred twenty-three billion, thirty-one million, three hundred two thousand, three hundred twenty".