223213253312 has 28 divisors (see below), whose sum is σ = 506215771920. Its totient is φ = 95662822656.

The previous prime is 223213253309. The next prime is 223213253353. The reversal of 223213253312 is 213352312322.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×223213253312³ (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 3 ways as a sum of consecutive naturals, for example, 249121487 + ... + 249122382.

Almost surely, 2^223213253312 is an apocalyptic number.

It is an amenable number.

223213253312 is an abundant number, since it is smaller than the sum of its proper divisors (283002518608).

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

223213253312 is an equidigital number, since it uses as much as digits as its factorization.

223213253312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498243888 (or 498243878 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

Adding to 223213253312 its reverse (213352312322), we get a palindrome (436565565634).

The spelling of 223213253312 in words is "two hundred twenty-three billion, two hundred thirteen million, two hundred fifty-three thousand, three hundred twelve".