23828231 has 4 divisors (see below), whose sum is σ = 27232272. Its totient is φ = 20424192.

The previous prime is 23828213. The next prime is 23828249. The reversal of 23828231 is 13282832.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23828213) and next prime (23828249).

It is a cyclic number.

It is not a de Polignac number, because 23828231 - 2¹⁰ = 23827207 is a prime.

It is a super-2 number, since 2×23828231² = 1135569185178722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23828194 and 23828203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23828251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702010 + ... + 1702023.

It is an arithmetic number, because the mean of its divisors is an integer number (6808068).

Almost surely, 2^23828231 is an apocalyptic number.

23828231 is a deficient number, since it is larger than the sum of its proper divisors (3404041).

23828231 is an equidigital number, since it uses as much as digits as its factorization.

23828231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404040.

The product of its digits is 4608, while the sum is 29.

The square root of 23828231 is about 4881.4169049570. The cubic root of 23828231 is about 287.7601164468.

The spelling of 23828231 in words is "twenty-three million, eight hundred twenty-eight thousand, two hundred thirty-one".