23240231 has 8 divisors (see below), whose sum is σ = 27125760. Its totient is φ = 19496088.

The previous prime is 23240227. The next prime is 23240233. The reversal of 23240231 is 13204232.

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 23240231 - 2² = 23240227 is a prime.

It is a super-2 number, since 2×23240231² = 1080216673866722, 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 (23240233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34991 + ... + 35648.

It is an arithmetic number, because the mean of its divisors is an integer number (3390720).

Almost surely, 2^23240231 is an apocalyptic number.

23240231 is a deficient number, since it is larger than the sum of its proper divisors (3885529).

23240231 is an equidigital number, since it uses as much as digits as its factorization.

23240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70693.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23240231 is about 4820.8122759552. The cubic root of 23240231 is about 285.3733938291.

Adding to 23240231 its reverse (13204232), we get a palindrome (36444463).

The spelling of 23240231 in words is "twenty-three million, two hundred forty thousand, two hundred thirty-one".