233213022312 has 32 divisors (see below), whose sum is σ = 594033173280. Its totient is φ = 76270925120.

The previous prime is 233213022299. The next prime is 233213022313. The reversal of 233213022312 is 213220312332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (233213022313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91670514 + ... + 91673057.

It is an arithmetic number, because the mean of its divisors is an integer number (18563536665).

Almost surely, 2^233213022312 is an apocalyptic number.

It is an amenable number.

233213022312 is an abundant number, since it is smaller than the sum of its proper divisors (360820150968).

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

233213022312 is a wasteful number, since it uses less digits than its factorization.

233213022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183343633 (or 183343629 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 233213022312 its reverse (213220312332), we get a palindrome (446433334644).

The spelling of 233213022312 in words is "two hundred thirty-three billion, two hundred thirteen million, twenty-two thousand, three hundred twelve".