23271904 has 12 divisors (see below), whose sum is σ = 45816624. Its totient is φ = 11635936.

The previous prime is 23271893. The next prime is 23271907. The reversal of 23271904 is 40917232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23271907) 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 as a sum of consecutive naturals, namely, 363592 + ... + 363655.

It is an arithmetic number, because the mean of its divisors is an integer number (3818052).

Almost surely, 2^23271904 is an apocalyptic number.

It is an amenable number.

23271904 is a deficient number, since it is larger than the sum of its proper divisors (22544720).

23271904 is an equidigital number, since it uses as much as digits as its factorization.

23271904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727257 (or 727249 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23271904 is about 4824.0961847791. The cubic root of 23271904 is about 285.5029755661.

The spelling of 23271904 in words is "twenty-three million, two hundred seventy-one thousand, nine hundred four".