23047928 has 8 divisors (see below), whose sum is σ = 43214880. Its totient is φ = 11523960.

The previous prime is 23047889. The next prime is 23047943. The reversal of 23047928 is 82974032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440488 + ... + 1440503.

It is an arithmetic number, because the mean of its divisors is an integer number (5401860).

Almost surely, 2^23047928 is an apocalyptic number.

It is an amenable number.

23047928 is a deficient number, since it is larger than the sum of its proper divisors (20166952).

23047928 is a wasteful number, since it uses less digits than its factorization.

23047928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880997 (or 2880993 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 23047928 is about 4800.8257623038. The cubic root of 23047928 is about 284.5840984059.

The spelling of 23047928 in words is "twenty-three million, forty-seven thousand, nine hundred twenty-eight".