9523231 has 4 divisors (see below), whose sum is σ = 9830464. Its totient is φ = 9216000.

The previous prime is 9523229. The next prime is 9523243. The reversal of 9523231 is 1323259.

It is a happy number.

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

It is a 13-Lehmer number, since φ(9523231) divides (9523231-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 9523231 - 2¹ = 9523229 is a prime.

It is a super-2 number, since 2×9523231² = 181383857358722, 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 = 9523196 and 9523205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9523271) 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, 153570 + ... + 153631.

It is an arithmetic number, because the mean of its divisors is an integer number (2457616).

Almost surely, 2^9523231 is an apocalyptic number.

9523231 is a deficient number, since it is larger than the sum of its proper divisors (307233).

9523231 is a wasteful number, since it uses less digits than its factorization.

9523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307232.

The product of its digits is 1620, while the sum is 25.

The square root of 9523231 is about 3085.9732662484. The cubic root of 9523231 is about 211.9636745047.

The spelling of 9523231 in words is "nine million, five hundred twenty-three thousand, two hundred thirty-one".