23227681 has 4 divisors (see below), whose sum is σ = 23313664. Its totient is φ = 23141700.

The previous prime is 23227669. The next prime is 23227703. The reversal of 23227681 is 18672232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23227681 - 2⁷ = 23227553 is a prime.

It is a super-2 number, since 2×23227681² = 1079050329275522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23227381) 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 3 ways as a sum of consecutive naturals, for example, 42585 + ... + 43126.

It is an arithmetic number, because the mean of its divisors is an integer number (5828416).

Almost surely, 2^23227681 is an apocalyptic number.

It is an amenable number.

23227681 is a deficient number, since it is larger than the sum of its proper divisors (85983).

23227681 is an equidigital number, since it uses as much as digits as its factorization.

23227681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85982.

The product of its digits is 8064, while the sum is 31.

The square root of 23227681 is about 4819.5104523177. The cubic root of 23227681 is about 285.3220162423.

The spelling of 23227681 in words is "twenty-three million, two hundred twenty-seven thousand, six hundred eighty-one".