233121022032 has 40 divisors (see below), whose sum is σ = 637654562496. Its totient is φ = 73136006656.

The previous prime is 233121022021. The next prime is 233121022033. The reversal of 233121022032 is 230220121332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233121022033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142842948 + ... + 142844579.

Almost surely, 2^233121022032 is an apocalyptic number.

It is an amenable number.

233121022032 is an abundant number, since it is smaller than the sum of its proper divisors (404533540464).

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

233121022032 is a wasteful number, since it uses less digits than its factorization.

233121022032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285687555 (or 285687549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 233121022032 its reverse (230220121332), we get a palindrome (463341143364).

The spelling of 233121022032 in words is "two hundred thirty-three billion, one hundred twenty-one million, twenty-two thousand, thirty-two".