223111233231320 has 128 divisors (see below), whose sum is σ = 606125476915200. Its totient is φ = 72286075147776.

The previous prime is 223111233231317. The next prime is 223111233231371. The reversal of 223111233231320 is 23132332111322.

It is a super-3 number, since 3×223111233231320³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291924242 + ... + 292687521.

It is an arithmetic number, because the mean of its divisors is an integer number (4735355288400).

Almost surely, 2^{223111233231320} is an apocalyptic number.

223111233231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223111233231320 is an abundant number, since it is smaller than the sum of its proper divisors (383014243683880).

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

223111233231320 is a wasteful number, since it uses less digits than its factorization.

223111233231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584611857 (or 584611853 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 223111233231320 its reverse (23132332111322), we get a palindrome (246243565342642).

The spelling of 223111233231320 in words is "two hundred twenty-three trillion, one hundred eleven billion, two hundred thirty-three million, two hundred thirty-one thousand, three hundred twenty".