23533251232 has 24 divisors (see below), whose sum is σ = 49056447636. Its totient is φ = 11074470912.

The previous prime is 23533251221. The next prime is 23533251233. The reversal of 23533251232 is 23215233532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18660652816 + 4872598416 = 136604^2 + 69804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23533251194 and 23533251203.

It is not an unprimeable number, because it can be changed into a prime (23533251233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21629283 + ... + 21630370.

Almost surely, 2^23533251232 is an apocalyptic number.

It is an amenable number.

23533251232 is an abundant number, since it is smaller than the sum of its proper divisors (25523196404).

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

23533251232 is a wasteful number, since it uses less digits than its factorization.

23533251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43259680 (or 43259672 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

Adding to 23533251232 its reverse (23215233532), we get a palindrome (46748484764).

The spelling of 23533251232 in words is "twenty-three billion, five hundred thirty-three million, two hundred fifty-one thousand, two hundred thirty-two".