23243231 has 8 divisors (see below), whose sum is σ = 25608528. Its totient is φ = 20920000.

The previous prime is 23243221. The next prime is 23243243. The reversal of 23243231 is 13234232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23243231 - 2¹⁰ = 23242207 is a prime.

It is a super-2 number, since 2×23243231² = 1080495574638722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9350 + ... + 11571.

It is an arithmetic number, because the mean of its divisors is an integer number (3201066).

Almost surely, 2^23243231 is an apocalyptic number.

23243231 is a deficient number, since it is larger than the sum of its proper divisors (2365297).

23243231 is a wasteful number, since it uses less digits than its factorization.

23243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033.

The product of its digits is 864, while the sum is 20.

The square root of 23243231 is about 4821.1234167982. The cubic root of 23243231 is about 285.3856725847.

Adding to 23243231 its reverse (13234232), we get a palindrome (36477463).

It can be divided in two parts, 2324 and 3231, that added together give a palindrome (5555).

The spelling of 23243231 in words is "twenty-three million, two hundred forty-three thousand, two hundred thirty-one".