9123231 has 16 divisors (see below), whose sum is σ = 13154400. Its totient is φ = 5591040.

The previous prime is 9123199. The next prime is 9123239. The reversal of 9123231 is 1323219.

It is a happy number.

It is not a de Polignac number, because 9123231 - 2⁵ = 9123199 is a prime.

It is a super-2 number, since 2×9123231² = 166466687758722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9123198 and 9123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9123239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17251 + ... + 17771.

It is an arithmetic number, because the mean of its divisors is an integer number (822150).

Almost surely, 2^9123231 is an apocalyptic number.

9123231 is a deficient number, since it is larger than the sum of its proper divisors (4031169).

9123231 is a wasteful number, since it uses less digits than its factorization.

9123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 324, while the sum is 21.

The square root of 9123231 is about 3020.4686722428. The cubic root of 9123231 is about 208.9534552915.

The spelling of 9123231 in words is "nine million, one hundred twenty-three thousand, two hundred thirty-one".