23506231 has 12 divisors (see below), whose sum is σ = 27425208. Its totient is φ = 20088432.

The previous prime is 23506229. The next prime is 23506279. The reversal of 23506231 is 13260532.

It is not a de Polignac number, because 23506231 - 2¹ = 23506229 is a prime.

It is a super-2 number, since 2×23506231² = 1105085791650722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26365 + ... + 27241.

It is an arithmetic number, because the mean of its divisors is an integer number (2285434).

Almost surely, 2^23506231 is an apocalyptic number.

23506231 is a deficient number, since it is larger than the sum of its proper divisors (3918977).

23506231 is an equidigital number, since it uses as much as digits as its factorization.

23506231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23506231 is about 4848.3224933991. The cubic root of 23506231 is about 286.4580293386.

Adding to 23506231 its reverse (13260532), we get a palindrome (36766763).

The spelling of 23506231 in words is "twenty-three million, five hundred six thousand, two hundred thirty-one".