232440021325 has 6 divisors (see below), whose sum is σ = 288225626474. Its totient is φ = 185952017040.

The previous prime is 232440021301. The next prime is 232440021347. The reversal of 232440021325 is 523120044232.

It can be written as a sum of positive squares in 3 ways, for example, as 11001072996 + 221438948329 = 104886^2 + 470573^2 .

It is not a de Polignac number, because 232440021325 - 2¹¹ = 232440019277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232440021293 and 232440021302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4648800402 + ... + 4648800451.

Almost surely, 2^232440021325 is an apocalyptic number.

232440021325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232440021325 is a deficient number, since it is larger than the sum of its proper divisors (55785605149).

232440021325 is an equidigital number, since it uses as much as digits as its factorization.

232440021325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297600863 (or 9297600858 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 232440021325 its reverse (523120044232), we get a palindrome (755560065557).

The spelling of 232440021325 in words is "two hundred thirty-two billion, four hundred forty million, twenty-one thousand, three hundred twenty-five".