232405332520 has 16 divisors (see below), whose sum is σ = 522911998260. Its totient is φ = 92962132992.

The previous prime is 232405332503. The next prime is 232405332539. The reversal of 232405332520 is 25233504232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214963904164 + 17441428356 = 463642^2 + 132066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2905066617 + ... + 2905066696.

Almost surely, 2^232405332520 is an apocalyptic number.

232405332520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232405332520 is an abundant number, since it is smaller than the sum of its proper divisors (290506665740).

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

232405332520 is a wasteful number, since it uses less digits than its factorization.

232405332520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810133324 (or 5810133320 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 232405332520 its reverse (25233504232), we get a palindrome (257638836752).

The spelling of 232405332520 in words is "two hundred thirty-two billion, four hundred five million, three hundred thirty-two thousand, five hundred twenty".