233520240132 has 144 divisors (see below), whose sum is σ = 618234000384. Its totient is φ = 74234880000.

The previous prime is 233520240103. The next prime is 233520240167. The reversal of 233520240132 is 231042025332.

233520240132 is a `hidden beast` number, since 2 + 3 + 3 + 520 + 2 + 4 + 0 + 132 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 233520240096 and 233520240105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26084257 + ... + 26093207.

Almost surely, 2^233520240132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233520240132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309117000192).

233520240132 is an abundant number, since it is smaller than the sum of its proper divisors (384713760252).

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

233520240132 is a wasteful number, since it uses less digits than its factorization.

233520240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9325 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 233520240132 its reverse (231042025332), we get a palindrome (464562265464).

The spelling of 233520240132 in words is "two hundred thirty-three billion, five hundred twenty million, two hundred forty thousand, one hundred thirty-two".