23271928 has 16 divisors (see below), whose sum is σ = 44699760. Its totient is φ = 11352000.

The previous prime is 23271907. The next prime is 23271959. The reversal of 23271928 is 82917232.

It is a junction number, because it is equal to n+sod(n) for n = 23271893 and 23271902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35148 + ... + 35803.

It is an arithmetic number, because the mean of its divisors is an integer number (2793735).

Almost surely, 2^23271928 is an apocalyptic number.

It is an amenable number.

23271928 is a deficient number, since it is larger than the sum of its proper divisors (21427832).

23271928 is a wasteful number, since it uses less digits than its factorization.

23271928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70998 (or 70994 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 23271928 is about 4824.0986722910. The cubic root of 23271928 is about 285.5030737112.

The spelling of 23271928 in words is "twenty-three million, two hundred seventy-one thousand, nine hundred twenty-eight".