523232231 has 4 divisors (see below), whose sum is σ = 523425864. Its totient is φ = 523038600.

The previous prime is 523232189. The next prime is 523232233. The reversal of 523232231 is 132232325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523232231 - 2¹⁸ = 522970087 is a prime.

It is a super-2 number, since 2×523232231² = 547543935114474722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523232197 and 523232206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523232233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92705 + ... + 98186.

It is an arithmetic number, because the mean of its divisors is an integer number (130856466).

Almost surely, 2^523232231 is an apocalyptic number.

523232231 is a deficient number, since it is larger than the sum of its proper divisors (193633).

523232231 is a wasteful number, since it uses less digits than its factorization.

523232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193632.

The product of its digits is 2160, while the sum is 23.

The square root of 523232231 is about 22874.2700648567. The cubic root of 523232231 is about 805.8078543136.

Adding to 523232231 its reverse (132232325), we get a palindrome (655464556).

The spelling of 523232231 in words is "five hundred twenty-three million, two hundred thirty-two thousand, two hundred thirty-one".