232523561 has 8 divisors (see below), whose sum is σ = 237198024. Its totient is φ = 227859840.

The previous prime is 232523483. The next prime is 232523563. The reversal of 232523561 is 165325232.

232523561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66912400 + 165611161 = 8180^2 + 12869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232523561 - 2¹⁸ = 232261417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232523563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51965 + ... + 56261.

It is an arithmetic number, because the mean of its divisors is an integer number (29649753).

Almost surely, 2^232523561 is an apocalyptic number.

It is an amenable number.

232523561 is a deficient number, since it is larger than the sum of its proper divisors (4674463).

232523561 is a wasteful number, since it uses less digits than its factorization.

232523561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its digits is 10800, while the sum is 29.

The square root of 232523561 is about 15248.7232580305. The cubic root of 232523561 is about 614.9252435187.

Adding to 232523561 its reverse (165325232), we get a palindrome (397848793).

The spelling of 232523561 in words is "two hundred thirty-two million, five hundred twenty-three thousand, five hundred sixty-one".