233220523312 has 20 divisors (see below), whose sum is σ = 516416873296. Its totient is φ = 99951652800.

The previous prime is 233220523301. The next prime is 233220523331. The reversal of 233220523312 is 213325022332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1041162939 + ... + 1041163162.

Almost surely, 2^233220523312 is an apocalyptic number.

It is an amenable number.

233220523312 is an abundant number, since it is smaller than the sum of its proper divisors (283196349984).

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

233220523312 is a wasteful number, since it uses less digits than its factorization.

233220523312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082326116 (or 2082326110 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 233220523312 its reverse (213325022332), we get a palindrome (446545545644).

The spelling of 233220523312 in words is "two hundred thirty-three billion, two hundred twenty million, five hundred twenty-three thousand, three hundred twelve".