23340231 has 20 divisors (see below), whose sum is σ = 35205192. Its totient is φ = 15409008.

The previous prime is 23340211. The next prime is 23340259. The reversal of 23340231 is 13204332.

23340231 is a `hidden beast` number, since 233 + 402 + 31 = 666.

It is not a de Polignac number, because 23340231 - 2⁵ = 23340199 is a prime.

It is a super-2 number, since 2×23340231² = 1089532766266722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7321 + ... + 10013.

Almost surely, 2^23340231 is an apocalyptic number.

23340231 is a deficient number, since it is larger than the sum of its proper divisors (11864961).

23340231 is a wasteful number, since it uses less digits than its factorization.

23340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23340231 is about 4831.1728389698. The cubic root of 23340231 is about 285.7821176208.

Adding to 23340231 its reverse (13204332), we get a palindrome (36544563).

The spelling of 23340231 in words is "twenty-three million, three hundred forty thousand, two hundred thirty-one".