23016231 has 36 divisors (see below), whose sum is σ = 40126632. Its totient is φ = 13145328.

The previous prime is 23016209. The next prime is 23016247. The reversal of 23016231 is 13261032.

It is not a de Polignac number, because 23016231 - 2⁵ = 23016199 is a prime.

It is a super-2 number, since 2×23016231² = 1059493778890722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016251) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10941 + ... + 12873.

Almost surely, 2^23016231 is an apocalyptic number.

23016231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23016231 is a deficient number, since it is larger than the sum of its proper divisors (17110401).

23016231 is an equidigital number, since it uses as much as digits as its factorization.

23016231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23016231 is about 4797.5234236010. The cubic root of 23016231 is about 284.4535790738.

Adding to 23016231 its reverse (13261032), we get a palindrome (36277263).

It can be divided in two parts, 230 and 16231, that added together give a palindrome (16461).

The spelling of 23016231 in words is "twenty-three million, sixteen thousand, two hundred thirty-one".