23867231 has 4 divisors (see below), whose sum is σ = 24154872. Its totient is φ = 23579592.

The previous prime is 23867227. The next prime is 23867281. The reversal of 23867231 is 13276832.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23867231 - 2² = 23867227 is a prime.

It is a super-2 number, since 2×23867231² = 1139289431214722, 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 (23867281) 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, 143696 + ... + 143861.

It is an arithmetic number, because the mean of its divisors is an integer number (6038718).

Almost surely, 2^23867231 is an apocalyptic number.

23867231 is a deficient number, since it is larger than the sum of its proper divisors (287641).

23867231 is an equidigital number, since it uses as much as digits as its factorization.

23867231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287640.

The product of its digits is 12096, while the sum is 32.

The square root of 23867231 is about 4885.4100134994. The cubic root of 23867231 is about 287.9170245467.

The spelling of 23867231 in words is "twenty-three million, eight hundred sixty-seven thousand, two hundred thirty-one".