223120312320 has 96 divisors (see below), whose sum is σ = 713810784960. Its totient is φ = 59498741760.

The previous prime is 223120312271. The next prime is 223120312367. The reversal of 223120312320 is 23213021322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×223120312320³ (a number of 35 digits) contains 333 as substring.

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, 3600796 + ... + 3662235.

It is an arithmetic number, because the mean of its divisors is an integer number (7435529010).

Almost surely, 2^223120312320 is an apocalyptic number.

223120312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223120312320 is an abundant number, since it is smaller than the sum of its proper divisors (490690472640).

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

223120312320 is an equidigital number, since it uses as much as digits as its factorization.

223120312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263061 (or 7263041 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223120312320 its reverse (23213021322), we get a palindrome (246333333642).

The spelling of 223120312320 in words is "two hundred twenty-three billion, one hundred twenty million, three hundred twelve thousand, three hundred twenty".