233021023312 has 80 divisors (see below), whose sum is σ = 574369488000. Its totient is φ = 90787388160.

The previous prime is 233021023309. The next prime is 233021023321. The reversal of 233021023312 is 213320120332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1869637 + ... + 1990372.

It is an arithmetic number, because the mean of its divisors is an integer number (7179618600).

Almost surely, 2^233021023312 is an apocalyptic number.

233021023312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

233021023312 is an abundant number, since it is smaller than the sum of its proper divisors (341348464688).

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

233021023312 is a wasteful number, since it uses less digits than its factorization.

233021023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860049 (or 3860029 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233021023312 its reverse (213320120332), we get a palindrome (446341143644).

The spelling of 233021023312 in words is "two hundred thirty-three billion, twenty-one million, twenty-three thousand, three hundred twelve".