233431230432 has 48 divisors (see below), whose sum is σ = 612986551632. Its totient is φ = 77781258240.

The previous prime is 233431230391. The next prime is 233431230437. The reversal of 233431230432 is 234032134332.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 233431230432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233431230437) 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, 197169 + ... + 711152.

It is an arithmetic number, because the mean of its divisors is an integer number (12770553159).

Almost surely, 2^233431230432 is an apocalyptic number.

It is an amenable number.

233431230432 is an abundant number, since it is smaller than the sum of its proper divisors (379555321200).

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

233431230432 is a wasteful number, since it uses less digits than its factorization.

233431230432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911011 (or 911003 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 233431230432 its reverse (234032134332), we get a palindrome (467463364764).

The spelling of 233431230432 in words is "two hundred thirty-three billion, four hundred thirty-one million, two hundred thirty thousand, four hundred thirty-two".