23532231132 has 120 divisors (see below), whose sum is σ = 64442036736. Its totient is φ = 7473879072.

The previous prime is 23532231119. The next prime is 23532231157. The reversal of 23532231132 is 23113223532.

It is a happy number.

23532231132 is a `hidden beast` number, since 23 + 5 + 322 + 311 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23532231096 and 23532231105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1953873 + ... + 1965879.

Almost surely, 2^23532231132 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 23532231132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32221018368).

23532231132 is an abundant number, since it is smaller than the sum of its proper divisors (40909805604).

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

23532231132 is a wasteful number, since it uses less digits than its factorization.

23532231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309 (or 12298 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

Adding to 23532231132 its reverse (23113223532), we get a palindrome (46645454664).

The spelling of 23532231132 in words is "twenty-three billion, five hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-two".