23903012 has 24 divisors (see below), whose sum is σ = 48920256. Its totient is φ = 10005408.

The previous prime is 23902979. The next prime is 23903017. The reversal of 23903012 is 21030932.

It is not an unprimeable number, because it can be changed into a prime (23903017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8723 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (2038344).

Almost surely, 2^23903012 is an apocalyptic number.

It is an amenable number.

23903012 is an abundant number, since it is smaller than the sum of its proper divisors (25017244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23903012 is a wasteful number, since it uses less digits than its factorization.

23903012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19907 (or 19905 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23903012 is about 4889.0706683377. The cubic root of 23903012 is about 288.0608314147.

Adding to 23903012 its reverse (21030932), we get a palindrome (44933944).

The spelling of 23903012 in words is "twenty-three million, nine hundred three thousand, twelve".