23903768 has 72 divisors (see below), whose sum is σ = 55646820. Its totient is φ = 9596160.

The previous prime is 23903749. The next prime is 23903797. The reversal of 23903768 is 86730932.

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 17 ways as a sum of consecutive naturals, for example, 113183 + ... + 113393.

Almost surely, 2^23903768 is an apocalyptic number.

23903768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23903768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27823410).

23903768 is an abundant number, since it is smaller than the sum of its proper divisors (31743052).

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

23903768 is a wasteful number, since it uses less digits than its factorization.

23903768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23903768 is about 4889.1479830334. The cubic root of 23903768 is about 288.0638682941.

The spelling of 23903768 in words is "twenty-three million, nine hundred three thousand, seven hundred sixty-eight".